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  • sharp
    sharp
    adjective
    having a thin cutting edge or a fine point; well-adapted for cutting or piercing.
  • Sharp
    Sharp
    noun
    William Fiona Macleod, 1855?–1905, Scottish poet and critic.
Synonyms

sharp

1 American  
[shahrp] / ʃɑrp /

adjective

sharper, comparative sharpest superlative
  1. having a thin cutting edge or a fine point; well-adapted for cutting or piercing.

    a sharp knife.

    Antonyms:
    dull
  2. terminating in an edge or point; not blunt or rounded.

    The table had sharp corners.

  3. involving a sudden or abrupt change in direction or course.

    a sharp curve in the road; The car made a sharp turn.

  4. abrupt, as an ascent.

    a sharp drop.

  5. consisting of angular lines and pointed forms or of thin, long features.

    He had a sharp face.

  6. clearly defined; distinct.

    a sharp photographic image.

    Synonyms:
    clear
  7. distinct or marked, as a contrast.

    sharp differences of opinion.

  8. pungent or biting in taste.

    a sharp cheese.

    Synonyms:
    sour, piquant, bitter, acrid
  9. piercing or shrill in sound.

    a sharp cry.

  10. keenly cold, as weather.

    a sharp, biting wind.

    Synonyms:
    biting, nipping, piercing
  11. felt acutely; intense; distressing.

    sharp pain.

    Synonyms:
    excruciating, severe
  12. merciless, caustic, or harsh.

    sharp words.

    Synonyms:
    biting, pointed, acrimonious, acid, cutting, unmerciful
  13. fierce or violent.

    a sharp struggle.

  14. keen or eager.

    sharp desire.

  15. quick, brisk, or spirited.

  16. alert or vigilant.

    They kept a sharp watch for the enemy.

    Synonyms:
    attentive
  17. mentally acute.

    a sharp lad.

    Synonyms:
    discriminating, clever, perspicacious, discerning
  18. extremely sensitive or responsive; keen.

    sharp vision; sharp hearing.

  19. shrewd or astute.

    a sharp bargainer.

  20. shrewd to the point of dishonesty.

    sharp practice.

    Synonyms:
    deceitful, shady
  21. Music.

    1. (of a tone) raised a chromatic half step in pitch.

      F sharp.

    2. above an intended pitch, as a note; too high (opposed to flat).

  22. Informal. very stylish.

    a sharp dresser; a sharp jacket.

  23. Radio, Electronics. of, relating to, or responsive to a very narrow range of frequencies.

  24. Phonetics. fortis; voiceless.

  25. composed of hard, angular grains, as sand.


verb (used with object)

sharps, present (3rd person singular) sharped, past participle, past sharping present participle
  1. Music. to raise in pitch, especially by one chromatic half step.

verb (used without object)

sharps, present (3rd person singular) sharped, past participle, past sharping present participle
  1. to sound above the true pitch.

adverb

  1. keenly or acutely.

  2. abruptly or suddenly.

    to pull a horse up sharp.

  3. punctually.

    Meet me at one o'clock sharp.

  4. briskly; quickly.

    The horse turned sharp to the left.

  5. Music. above the true pitch.

    You're singing a little sharp.

noun

sharps plural
  1. something sharp.

  2. Usually sharps a medium-length needle with a rounded eye and a sharp point, used for all-purpose hand sewing.

  3. a sharper.

  4. Informal. an expert.

  5. Music.

    1. a tone one chromatic half step above a given tone.

    2. (in musical notation) the symbol ♯ indicating this.

idioms

  1. look sharp. look.

Sharp 2 American  
[shahrp] / ʃɑrp /

noun

  1. William Fiona Macleod, 1855?–1905, Scottish poet and critic.


sharp 1 British  
/ ʃɑːp /

adjective

  1. having a keen edge suitable for cutting

  2. having an edge or point; not rounded or blunt

  3. involving a sudden change, esp in direction

    a sharp bend

  4. moving, acting, or reacting quickly, efficiently, etc

    sharp reflexes

  5. clearly defined

  6. mentally acute; clever; astute

  7. sly or artful; clever in an underhand way

    sharp practice

  8. bitter or harsh

    sharp words

  9. shrill or penetrating

    a sharp cry

  10. having an acrid taste

  11. keen; biting

    a sharp wind

    sharp pain

  12. music

    1. (immediately postpositive) denoting a note that has been raised in pitch by one chromatic semitone

      B sharp

    2. (of an instrument, voice, etc) out of tune by being or tending to be too high in pitch Compare flat 1

  13. phonetics a less common word for fortis

  14. informal

    1. stylish

    2. too smart

  15. involved in the area of any activity where there is most difficulty, competition, danger, etc

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

adverb

  1. in a sharp manner

  2. exactly

    six o'clock sharp

  3. music

    1. higher than a standard pitch

    2. out of tune by being or tending to be too high in pitch Compare flat 1

      she sings sharp

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

noun

  1. music

    1. an accidental that raises the pitch of the following note by one chromatic semitone

    2. a note affected by this accidental Compare flat 1

  2. a thin needle with a sharp point

  3. informal a sharper

  4. (usually plural) any medical instrument with sharp point or edge, esp a hypodermic needle

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

verb

  1. Usual equivalent in Britain and certain other countries): sharpen(tr) music to raise the pitch of (a note), esp by one chromatic semitone

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

interjection

  1. slang an exclamation of full agreement or approval

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Sharp 2 British  
/ ʃɑːp /

noun

  1. Cecil ( James ). 1859–1924, British musician, best known for collecting, editing, and publishing English folk songs

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

sharp More Idioms  

    More idioms and phrases containing sharp


Synonym Usage

Sharp, keen refer to the edge or point of an instrument, tool, and the like. Sharp applies, in general, to a cutting edge or a point capable of piercing: a sharp knife; a sharp point. Keen is usually applied to sharp edges: a keen sword blade. As applied to mental qualities, sharp, keen, intelligent, quick have varying implications. Sharp suggests an acute, sensitive, alert, penetrating quality: a sharp mind. Keen implies observant, incisive, and vigorous: a keen intellect. Intelligent means not only acute, alert, and active, but also able to reason and understand: an intelligent reader. Quick suggests lively and rapid comprehension, prompt response to instruction, and the like: quick at figures.

Other Word Forms

Derived Forms

Inflected Forms

Nouns

Adjectives

Participles

Conjugated Forms

Present

Past

Future

Etymology

Origin of sharp

First recorded before 900; (adjective) Middle English; Old English scearp; cognate with German scharf; (adverb) Middle English; Old English scearpe, derivative of the adjective; (noun, verb) Middle English, derivative of the adjective

Explanation

Something with a thin edge or a fine point that can cut is sharp. It's painful when your dog climbs into your lap, poking you with his sharp toenails. A knife and a pointed stick are sharp, since they can pierce or cut, and a piercing pain in your neck is also sharp. You can also use sharp to describe a smart person or clever decision — or someone who dresses well, or the clothes such a person wears. Sharp also means clear, like sharp images in a book of black and white photography, or sudden, like a sharp turn in a mountain road.

Keep Reading on Vocabulary.com

Vocabulary lists containing sharp

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

Micron Technology, Sandisk and other U.S. chip stocks are extending sharp declines on Tuesday as developments in Asia send ripples overseas.

From MarketWatch Jul. 28, 2026

Firefighters in France are working around the clock to contain wildfires that have been raging in the Gironde region, while bracing for another sharp rise in temperatures.

From BBC Jul. 28, 2026

Researchers report that people assigned to Tübingen's type 2 diabetes risk cluster 5 continued to experience rising blood sugar, a sharp decline in insulin production, and a consistently elevated risk of developing diabetes.

From Science Daily Jul. 28, 2026

Even before the sharp move, investors were concerned about the number of banks in second-quarter reports calling out a squeeze between depositors pressing for higher rates alongside a shift by borrowers to lower-yielding loans.

From The Wall Street Journal Jul. 27, 2026

“Don’t worry, I’ll see you get overtime,” she added, pulling a wheel from her cauldron as we stepped in, placing it on a tray prepared with butter, salt, a sharp knife, and two plates.

From "Legendary Frybread Drive-In" by Cynthia Leitich Smith

Sharp declines for high-flying memory and chipmakers including Intel, Marvell Technology and Applied Materials led a 1.2% decline in the Nasdaq Composite index and a 0.5% drop in the S&P 500.

From The Wall Street Journal Jul. 7, 2026

Sharp up and down days are increasingly common, suggesting chaos beneath the market’s bid-and-ask machinations.

From Barron's Jul. 1, 2026

Sharp, 50, went to the World Cup in 1998 — the last time Scotland qualified — and saw this year’s tournament as a once-in-a-lifetime opportunity for his son.

From MarketWatch Jun. 24, 2026

Marjorie and Mark Sharp often ask themselves one simple question - what happened to our daughter in that hospital?

From BBC Jun. 16, 2026

Sharp little fists of fear punched my stomach from the inside.

From "The Honest Truth" by Dan Gemeinhart

No one associated with the musical knows whether a show so right for pastry puns set to sharps and flats can be a hefty source of … dough.

From Washington Post Apr. 20, 2023

This 20th century Brazilian channeling of Bach flowed naturally from Cuong’s G sharps, leaving that impression that, while the scenery differs, the Amazon, Rhine and Mekong Delta are all rivers, and water everywhere is nourishing.

From Los Angeles Times Oct. 3, 2022

It also found wall-mounter hand sanitising containers were empty and medical sharps bins were filled to above capacity.

From BBC Sep. 30, 2022

The old ones go into a sharps container — a sturdy plastic box — that he sends to Trac-B Exchange in Las Vegas, where they are sterilized and pulverized for safe disposal.

From Salon Sep. 3, 2022

If there are no flats or sharps listed after the clef symbol, then the key signature is "all notes are natural."

From "Understanding Basic Music Theory" by Catherine Schmidt-Jones and Russel Jones

In the worm's jaws, sharper changes in strain across tiny regions appear to increase the interlocking of defects within the atomic structure, producing the characteristic size effect.

From Science Daily Jul. 16, 2026

But that agreement can obscure a much sharper divergence.

From Slate Jul. 15, 2026

However, the analysts remain cautious on the shares, arguing that the stock’s strong rally this year has already priced in a sharper acceleration in growth than is currently evident.

From The Wall Street Journal Jul. 10, 2026

The debate over health diplomacy has been thrown into sharper relief in recent weeks following the spread of a new outbreak of Ebola in the Democratic Republic of Congo.

From BBC Jul. 7, 2026

But now I know I am like the blade and he is like the whetstone— I am too strong to break so easily, and I become better, sharper, every time I touch him.

From "Allegiant" by Veronica Roth

The sharpest departure in the new government's foreign policy could be over Israel.

From Barron's Jul. 19, 2026

As the investigation widened, its sharpest effect was felt far from Abuja.

From BBC Jul. 11, 2026

After observing these lab grown retinas over several months, the team identified the cellular events that shape the foveola, the tiny region at the center of the retina responsible for the sharpest vision.

From Science Daily Jul. 9, 2026

Some of the continent’s sharpest minds, including former European Central Bank President Mario Draghi, have proposed profound changes to restore economic dynamism and gain influence on the world stage.

From The Wall Street Journal Jul. 6, 2026

My “defeatism,” as it was called, brought upon my head the sharpest disapproval of the party leader.

From "Black Boy" by Richard Wright

These are some macho men of the old Southern tradition, and trying their final product usually consists of a gigantically sharped bushman’s knife hacking through a Fred Flintstone style brontosaurus size steak.

From Forbes Jan. 21, 2015

Hence didactic William sharped his own son out of board-money.

From Time Magazine Archive

He sharped the razor onct," said Mrs. Lieders, "but he said it was for to shave him, and I got him to promise to let the barber shave him sometime, instead.

From Stories of a Western Town by Thanet, Octave

I heerd a skreekin' an' screamin' an' screevin', as ef all the saws in Massissippi wor bein' sharped 'ithin twenty yards o' my ear.

From Our Young Folks—Vol. I, No. II, February 1865 An Illustrated Magazine for Boys and Girls by Various

Then he that sharped,   And pocketed a prize by fraud obtained,   Was marked and shunned as odious.

From The Task and Other Poems by Cowper, William

Keaton’s comeback is the result, he says, of sharping his focus.

From Washington Times Oct. 13, 2014

Husky, usurious, "Doc" believed sharping made the victim sharp.

From Time Magazine Archive

Outwardly innocent, Santana's instrumental solos are long-lined and full of musical guile, bending, flatting and sharping with something of the intricacy of Oriental music.

From Time Magazine Archive

With all this injustice, he is never a good case, but, like those among I men who live by sharping and robbing, he is generally poor.

From Time Magazine Archive

Oh sharping knave! that would have—you know what, For a poor sneaking treat of chocolate. p.

From The Works of Aphra Behn Volume V by Summers, Montague

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