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sharp

Definitions

  • Testing the Sharpness of a Chisel
    Testing the Sharpness of a Chisel
  • WordNet 3.6
    • adj sharp marked by practical hardheaded intelligence "a smart businessman","an astute tenant always reads the small print in a lease","he was too shrewd to go along with them on a road that could lead only to their overthrow"
    • adj sharp (of something seen or heard) clearly defined "a sharp photographic image","the sharp crack of a twig","the crisp snap of dry leaves underfoot"
    • adj sharp having or made by a thin edge or sharp point; suitable for cutting or piercing "a sharp knife","a pencil with a sharp point"
    • adj sharp keenly and painfully felt; as if caused by a sharp edge or point "a sharp pain","sharp winds"
    • adj sharp quick and forceful "a sharp blow"
    • adj sharp very sudden and in great amount or degree "a sharp drop in the stock market"
    • adj sharp extremely steep "an abrupt canyon","the precipitous rapids of the upper river","the precipitous hills of Chinese paintings","a sharp drop"
    • adj sharp having or emitting a high-pitched and sharp tone or tones "a shrill whistle","a shrill gaiety"
    • adj sharp (of a musical note) raised in pitch by one chromatic semitone "C sharp"
    • adj sharp having or demonstrating ability to recognize or draw fine distinctions "an acute observer of politics and politicians","incisive comments","icy knifelike reasoning","as sharp and incisive as the stroke of a fang","penetrating insight","frequent penetrative observations"
    • adj sharp harsh "sharp criticism","a sharp-worded exchange","a tart remark"
    • adj sharp ending in a sharp point
    • adv sharp changing suddenly in direction and degree "the road twists sharply after the light","turn sharp left here","the visor was acutely peaked","her shoes had acutely pointed toes"
    • n sharp a long thin sewing needle with a sharp point
    • n sharp a musical notation indicating one half step higher than the note named
    • ***

Additional illustrations & photos:

SHARP'S THE WORD SHARP'S THE WORD
Al Sharpe's goal Al Sharpe's goal

Webster's Revised Unabridged Dictionary
  • Interesting fact: Beaver teeth are so sharp that Native Americans once used them as knife blades.
    • Sharp A portion of a stream where the water runs very rapidly.
    • Sharp A sewing needle having a very slender point; a needle of the most pointed of the three grades, blunts betweens, and sharps.
    • Sharp (Mus) A sharp tone or note.
    • Sharp A sharp tool or weapon. "If butchers had but the manners to go to sharps, gentlemen would be contented with a rubber at cuffs."
    • Sharp Affecting the sense as if pointed or cutting, keen, penetrating, acute: to the taste or smell, pungent, acid, sour, as ammonia has a sharp taste and odor; to the hearing, piercing, shrill, as a sharp sound or voice; to the eye, instantaneously brilliant, dazzling, as a sharp flash.
    • Sharp An expert.
    • Sharp Composed of hard, angular grains; gritty; as, sharp sand.
    • Sharp Cutting in language or import; biting; sarcastic; cruel; harsh; rigorous; severe; as, a sharp rebuke. "That sharp look.""To that place the sharp Athenian law
      Can not pursue us."
      "Be thy words severe, Sharp as merits but the sword forbear."
    • Sharp Eager in pursuit; keen in quest; impatient for gratification; keen; as, a sharp appetite.
    • Sharp Fierce; ardent; fiery; violent; impetuous. "In sharp contest of battle.""A sharp assault already is begun."
    • Sharp Having a very thin edge or fine point; of a nature to cut or pierce easily; not blunt or dull; keen. "He dies upon my scimeter's sharp point."
    • Sharp (Mus) High in pitch; acute; as, a sharp note or tone.
    • Sharp Keenly or unduly attentive to one's own interest; close and exact in dealing; shrewd; as, a sharp dealer; a sharp customer. "The necessity of being so sharp and exacting."
    • Sharp Of keen perception; quick to discern or distinguish; having nice discrimination; acute; penetrating; sagacious; clever; as, a sharp eye; sharp sight, hearing, or judgment. "Nothing makes men sharper . . . than want.""Many other things belong to the material world, wherein the sharpest philosophers have never yet arrived at clear and distinct ideas."
    • Sharp Precisely; exactly; as, we shall start at ten o'clock sharp .
    • Sharp (Mus) Raised a semitone in pitch; as, C sharpC♯), which is a half step, or semitone, higher than C.
    • Sharp Same as Middlings, 1.
    • Sharp (Mus) So high as to be out of tune, or above true pitch; as, the tone is sharp; that instrument is sharp . Opposed in all these senses to flat.
    • Sharp Steep; precipitous; abrupt; as, a sharp ascent or descent; a sharp turn or curve.
    • Sharp Terminating in a point or edge; not obtuse or rounded; somewhat pointed or edged; peaked or ridged; as, a sharp hill; sharp features.
    • Sharp (Mus) The character [♯] used to indicate that the note before which it is placed is to be raised a half step, or semitone, in pitch.
    • Sharp To a point or edge; piercingly; eagerly; sharply. "The head [of a spear] full sharp yground.""You bite so sharp at reasons."
    • Sharp To play tricks in bargaining; to act the sharper.
    • Sharp (Mus) To raise above the proper pitch; to elevate the tone of; especially, to raise a half step, or semitone, above the natural tone.
    • Sharp To sharpen.
    • Sharp (Mus) To sing above the proper pitch.
    • Sharp (Phonetics) Uttered in a whisper, or with the breath alone, without voice, as certain consonants, such as p k t f; surd; nonvocal; aspirated.
    • Sharp Very trying to the feelings; piercing; keen; severe; painful; distressing; as, sharp pain, weather; a sharp and frosty air. "Sharp misery had worn him to the bones.""The morning sharp and clear.""In sharpest perils faithful proved."
    • ***
Century Dictionary and Cyclopedia
  • Interesting fact: The world record frog jump is 33 feet 5.5 inches over the course of 3 consecutive leaps, achieved in May 1977 by a South African sharp-nosed frog called Santjie.
    • sharp Having a fine cutting edge or point; acute; keen: opposed to blunt; as, a sharp sword; a sharp needle.
    • sharp Terminating in a point or peak; peaked: opposed to obtuse, blunt, or rounded; as, a sharp roof; a sharp ridge.
    • sharp Clean-cut; well-defined; distinct: opposed to blurred, misty, or hazy; specifically, in optics and photography, perfectly focused.
    • sharp Abrupt; of acute angle; as, a sharp turn of the road: said also of the yards of a square-rigged vessel when they are braced at the most, acute angle with the keel.
    • sharp Angular and hard; not rounded: as, sharp sand.
    • sharp Angular; having the bones prominent, as in emaciation or leanness: as, a sharp visage.
    • sharp Keenly affecting the organs of sense. Pungent in taste; acrid; acid; sour; bitter; as, sharp vinegar.
    • sharp Shrill or piercing in sound; as, a sharp voice.
    • sharp Keenly cold; piercing; biting; severe; as, a sharp frost; sharp weather.
    • sharp Intensely bright.
    • sharp Cutting; acrimonious; keen; severe; harsh; biting: us, sharp words; a sharp rebuke.
    • sharp Stern; rigid; exacting.
    • sharp Severe; intense: violent; impetuous; fierce; as, a sharp struggle or contest.
    • sharp Poignant; painful or distressing; afflictive; as, a sharp fit of the gout; a sharp tribulation.
    • sharp Acute; quick; keen; strong; noting the senses of sight and hearing; as, a sharp eye; a sharp ear.
    • sharp Vigilant; attentive; as, to keep a sharp lookout for thieves or for danger.
    • sharp Acute of mind; keen-witted; of quick or great discernment; shrewd; keen: as, a sharp man.
    • sharp Keenly alive to one's interests; quick to see favorable circumstances and turn them to advantage; keen in business; hence, barely honest; “smart”: applied to both persons and things: as, sharp practices.
    • sharp Disposed to say cutting things; sarcastic.
    • sharp Subtle; nice; witty; acute: said of things.
    • sharp Eager or keen, as in pursuit or quest.
    • sharp Keenly contested: as, a sharp race.
    • sharp Quick; speedy: as, a sharp walk; sharp work.
    • sharp In phonetics, noting a consonant pronounced or uttered with breath and not with voice; surd; non-vocal: as, the sharp mutes, p, t, k.
    • sharp In music:
    • sharp Of tones, above a given or intended pitch: as, a piano is sharp.
    • sharp Of intervals, either major or augmented: as, a sharp third (a major third); a sharp fifth (an augmented fifth).
    • sharp Of keys or tonalities, having sharps in the signature: as, the key of D is a sharp key.
    • sharp Of organ-stops, noting mutation- or mixture-stops that give shrill tones. Opposed to flat in all senses but the last.
    • sharp Synonyms Sharp, Keen, Acute. Sharp is the general word, and is applicable to edges, long or short, coarse or fine, or to points. Keen is a strong word, and applies to long edges, as of a dagger, sword, or knife, not to points. Acute is not very often used to express sharpness; when used, it applies to a long, fine point, as of a needle.
    • sharp Biting, pungent, hot, stinging, piquant, highly seasoned.
    • sharp Nipping. Poignant, intense.
    • sharp Astute, discerning, quick, ready, sagacious, cunning.
    • sharp Caustic, tart.
    • n sharp A pointed weapon; especially, a small sword; a dueling-sword, as distinguished from a blunted or buttoned foil: as, he fences better with foils than with sharps.
    • n sharp plural One of the three usual grades of sewing-needles, the others being blunts and betweens. The sharps are the longest and most keenly pointed.
    • n sharp A sharper; a shark.
    • n sharp An expert; as, a mining sharp.
    • n sharp plural The hard parts of wheat, which require grinding a second time: same as middlings. See middling, n., 3.
    • n sharp A part of a stream where the water runs very rapidly.
    • n sharp An acute or shrill sound.
    • n sharp In music:
    • n sharp A tone one half-step above a given tone: as, the sharp of F (that is, F sharp).
    • n sharp On the pianoforte, with reference to any given key, the key next above or to the right. See flat, n., 7 .
    • n sharp In musical notation, the character ♯, which when attached to a note or staff-degree raises its significance one half-step. Opposed to flat in all senses.
    • n sharp A sharp consonant. See I., 18.
    • n sharp In diamond-cutting, the edge of the quadrant when an octahedral diamond is cleft into four parts.
    • n sharp A kind of boat used by oystermen. Also sharpie, sharpy.
    • n sharp A tone two half-steps higher than a given tone; the sharp of a sharp.
    • n sharp On the pianoforte, a key next but, one above or to the right of a given key.
    • n sharp The character ×, which when attached to a note or to a staff-degree raises its significance two half-steps.
    • sharp To sharpen; make keen or acute.
    • sharp In music, to elevate (a tone); specifically, to apply a sharp to (a note or staff-degree)—that is, to elevate it a half-step. Also sharpen.
    • sharp To indulge in sharp practices; play the sharper; cheat.
    • sharp In music, to sing or play above the true pitch. Also sharpen.
    • sharp Sharply.
    • sharp Quickly.
    • sharp Exactly; to the moment; not a minute later.
    • sharp In music, above the true pitch: as, to sing sharp.
    • n sharp The tone given by such a key, or a tone in unison with such a tone: the D sharp next above middle C has (at French pitch) about 308 vibrations per second.
    • n sharp The staff-degree assigned to such a key or tone, being the same as that for D, but with a sharp upon it either in the signature or as an accidental.
    • n sharp A note placed on such a degree and indicating such a key or tone.
    • n sharp The key-note of the minor key of six sharps (D sharp minor).
    • n sharp In the fixed system of solmization, the sharp of the second tone of the scale, technically named ri.
    • n sharp The tone given by such a key, or a tone in unison with such a tone: the G sharp next above middle C has (at French pitch) about 411 vibrations per second.
    • n sharp The staff-degree assigned to such a key or tone, being the same as that for G, but with a ♮ upon it either in the signature or as an accidental.
    • n sharp A note placed on such a degree and indicating such a key or tone.
    • n sharp The keynote of the minor key of five sharps (G sharp minor).
    • n sharp In the fixed system of solmization, the sharp of the fifth tone of the scale, technically named si (not to be confounded with the same syllable when used for the seventh tone).
    • ***
Chambers's Twentieth Century Dictionary
  • Interesting fact: Your hearing is less sharp if you eat too much.
    • adj Sharp shärp having a thin cutting edge or fine point: peaked or ridged: affecting the senses as if pointed or cutting: severe: keen, keenly contested: alive to one's interests, barely honest: of keen or quick perception: vigilant, attentive: pungent, biting, sarcastic: eager: fierce: impetuous: shrill:
    • n Sharp an acute or shrill sound: :
    • v.t Sharp (obs.) to sharpen
    • v.i Sharp to play the sharper, cheat
    • v.i Sharp to grow sharp
    • adj Sharp shärp (phon.) denoting a consonant pronounced with breath and not voice, surd—as the sharp mutes, p, t, k
    • n Sharp (mus.) a note raised a semitone in the scale, also the character directing this: a long and slender sewing-needle—opp. to a blunt and a between: a small sword or duelling sword: a sharper, cheat
    • n Sharp (pl.) the hard parts of wheat, middlings: an oysterman's boat—also Sharp′ie, Sharp′y
    • ***

Quotations

  • Vance Havner
    Vance%20Havner
    “Too many church services start at eleven sharp and end at twelve dull.”
  • Source Unknown
    Source Unknown
    “Having a sharp tongue will cut your throat”
  • Denis Diderot
    Denis%20Diderot
    “Sentences are like sharp nails, which force truth upon our memories.”
  • Denis Diderot
    Denis%20Diderot
    “Pithy sentences are like sharp nails which force truth upon our memory.”
  • Eugene Sue
    Eugene Sue
    “Virtue often trips and falls over the sharp edge of poverty.”
  • Elizabeth Barrett Browning
    Elizabeth%20Barrett%20Browning
    “God answers sharp and sudden on some prayers and thrust the thing we have prayed for in our face, like a gauntlet with a gift in it.”

Idioms

Sharp as a tack - (USA) If someone is as sharp as a tack, they are very clever indeed.
***
Sharp cookie - Someone who isn't easily deceived or fooled is a sharp cookie.
***

Etymology

Webster's Revised Unabridged Dictionary
OE. sharp, scharp, scarp, AS. scearp,; akin to OS. skarp, LG. scharp, D. scherp, G. scharf, Dan. & Sw. skarp, Icel. skarpr,. Cf. Escarp Scrape Scorpion

Usage

In literature:

Inside were most peculiar teeth in sets of twos, while the mouth was lined with thousands of hard, tiny sharp points.
"Across Unknown South America" by Arnold Henry Savage Landor
It was a sharp issue.
"A Political History of the State of New York, Volumes 1-3" by DeAlva Stanwood Alexander
Acutilingual: with a sharp pointed tongue or mouth structure, as in some bees.
"Explanation of Terms Used in Entomology" by John. B. Smith
Here and there sharp lamps stung the dusks.
"Nights in London" by Thomas Burke
There was also the rattle of wheels, and the sharp clip of horses' hoofs upon the hard-beaten road.
"The Heart of Unaga" by Ridgwell Cullum
Donald interrupted him now and then with sharp questions.
"The Northern Iron" by George A. Birmingham
His cry is a sharp whistling sound, which rings through the air far and wide on a calm day.
"The Western World" by W.H.G. Kingston
But it took a sharp eye to make even that out.
"A Prisoner of Morro" by Upton Sinclair
The captain cast a sharp glance at his daughter.
"Blow The Man Down" by Holman Day
Sharpe thear, Feared they had binn Suncke in the Sea.
"Privateering and Piracy in the Colonial Period" by Various
The girl's voice rang out sharp and hard under the trees.
"Robert Elsmere" by Mrs. Humphry Ward
Sonata in C-sharp minor (entire).
"The Masters and their Music" by W. S. B. Mathews
The March wind swooped and whistled down the alley, and the starling gave little sharp twittering noises and cocked his head.
"Explorers of the Dawn" by Mazo de la Roche
Look sharp and find 'em; your eyes are younger than mine.
"The Peril Finders" by George Manville Fenn
He had hardly reached the pile of logs to which the raft was moored, when a sharp cry rang out on the frosty air.
"An Undivided Union" by Oliver Optic
In the clear air every syllable was sharp to the ear, every tint and line sharp to the eye.
"The Branding Iron" by Katharine Newlin Burt
Which he certainly is the p'litest drug sharp of which hist'ry makes mention!
"Faro Nell and Her Friends" by Alfred Henry Lewis
Rachmaninof's Pianoforte Concerto in F sharp minor given by the Boston Symphony Orchestra.
"Annals of Music in America" by Henry Charles Lahee
Perhaps you can make something of those nasty, sharp puffs of wind which keep lifting the ground snow at intervals.
"The Hound From The North" by Ridgwell Cullum
There is no better way to recognize a Beech at any time of the year than by its very long, slender, and sharp-pointed buds.
"Trees of the Northern United States" by Austin C. Apgar
***

In poetry:

I waited to watch you linger
With foot drawn back from the dew,
Till a sunbeam straight like a finger
Struck sharp through the leaves at you.
"An Interlude" by Algernon Charles Swinburne
Oh all ye, who passe by, whose eyes and minde
To worldly things are sharp, but to me blinde;
To me, who took eyes that I might you finde:
Was ever grief like mine?
"The Sacrifice" by George Herbert
I heard men saying, Leave tears and praying,
The sharp knife heedeth not the sheep;
Are we not stronger than the rich and the wronger,
When day breaks over dreams and sleep?
"The Voice Of Toil" by William Morris
Yon cloud with wrinkled fire is edg-ed sharp;
And once more welling through the air, ah me!
How the sweet viol plains him to the harp,
Whose pang-ed sobbings throng tumultuously.
"After-Strain" by Francis Thompson
There is no sword so sharp
With lightnings as the wanton tongue;
Nothing that burns like words--
Bubbling flames that spread
In the now unspiritual head,
By sleepless fevers fed.
"Scatter That Silver Ash Like Snow" by John Freeman
But streit on sute to God,
The king through Gods sharp rod,
Did yeeld to him his wife streit way,
And Abraham neuer stayd,
But as the king him prayd,
Departed thence without delay.
"A Tragedie of Abrahams Sacrifice" by Arthur Golding

In news:

For the first time in more than 40 years, if you cross into Tijuana, you will have to make a sharp right turn.
An outside consultants report had some sharp criticisms for the way in which Portland police investigated the 2006 death of James Chasse Jr.
Pound extra sharp cheddar cheese *, finely shredded.
The trick is to make your own with a top-quality sharp cheddar.
After more than two decades with Sharp HealthCare, Carmel Valley resident Trisha Khaleghi has been promoted to senior vice president and chief executive officer of Sharp Mary Birch Hospital for Women & Newborns.
I find that when I'm sewing and I need to turn a sharp corner from the inside, nothing works better than m...
The view from the landing site of NASA's Curiosity rover toward the lower reaches of Mount Sharp on Mars.
A 35-year-old Lamont man died Sunday after being stabbed in the leg by a sharp blade that was attached to a fighting bird, authorities said.
Shaeffer is part of a Northwestern study of SuperAgers, elderly people who continue to stay cognitively sharp even as they age.
At their keenest, good sight and sharp hearing are taken for granted.
The request, by the Vienna Socalists, came after sharp attacks on Mr Waldheim by delegates to a regional party convention.
Berlusconi had experienced a sharp drop in blood pressure.
REGARDLESS of its musical or charitable merits, Bob Geldof's Live8 concert—which aims to "make poverty history"—gives a sharp lesson in the power of public relations.
Pegomastax africanus stood less than two feet tall and sported sharp fangs and a beak.
Some sharp interview questions leave a congressional hopeful squirming.
***

In science:

The number of lattice sites N can be interpreted as the total number of Matsubara frequencies. A sharp transition is obtained in the limit N → ∞.
Random Matrix Theory and Chiral Symmetry in QCD
Our method is general enough to be applicable to other types of sharp transitions.
On the critical exponents of random k-SAT
Dimitris Achlioptas and Ehud Friedgut. A sharp threshold for k-colorability.
On the critical exponents of random k-SAT
The result of this section goes back to Poincar´e, while the sharp version for the torus stated below in Theorem 1.1 is proved in Greg McShane’s 1991 Warwick thesis .
A norm on homology of surfaces and counting simple geodesics
Lattice results (see Fig. 5) show a sharp transition point which can be identified as the Thouless energy.
Randomness on the Lattice
The bounds are for expected value and large deviations, and are asymptotically sharp.
Fast graphs for the random walker
Surprisingly, Theorem 1 can be used to get sharp results in this polynomial scaling, which is unlike the usual domain for large deviation type bounds.
Fast graphs for the random walker
It smooths the sharp edges that arise from spreading δ0 ( ~m ) to the fine grid.
Multiscale Gaussian Random Fields for Cosmological Simulations
Aliasing (sharp pixel boundaries) is now evident.
Multiscale Gaussian Random Fields for Cosmological Simulations
The first exponent seems to be sharp, the second can probably be strengthened but not by very much.
A finiteness proof for the Lorentzian state sum spinfoam model for quantum general relativity
Even for L = 50 the transition is already quite sharp.
An Introduction to Monte Carlo Simulation of Statistical physics Problem
Next, note that exp(−ω ′′ z ) is a sharp function relative to (gN (−iω ′′ ))N .
Tails of probability density for sums of random independent variables
Across the null surface, the poloidal field suffers a sharp reversal of direction.
Constraints on the Acceleration of Ultra-High-Energy Cosmic Rays in Accretion-Induced Collapse Pulsars
Sub jecting the sites of a quasicrystal to an i.i.d. thermal motion leads to an infinite volume picture that is well-known from crystals: The intensity of the sharp peaks is reduced by a Debye-Waller factor with a diffuse background appearing.
Universal bounds on the selfaveraging of random diffraction measures
This is in analogy to statistical mechanics where sharp phase transitions occur only in the infinite volume.
Universal bounds on the selfaveraging of random diffraction measures
***