sharp Definition in Cambridge American English Dictionary
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Definition of "sharp" - American English Dictionary

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sharpadjective [-er/-est only]

 us   /ʃɑrp/

sharp adjective [-er/-est only] (ABLE TO CUT)

having a thin edge or point that can cut something: a sharp blade/knife She put a sharp point on the pencil.

sharp adjective [-er/-est only] (SUDDEN)

sudden and immediately noticeable: a sharp drop in temperature a sharp increase in prices There’s a sharp curve in the road up ahead.

sharp adjective [-er/-est only] (STRONGLY FELT)

strongly felt: As he leaned over, he felt a sudden, sharp pain in his lower back. This sauce is pretty sharp (= It has a strong taste).

sharp adjective [-er/-est only] (SEVERE)

intended to be strong enough to be felt as painful: The candidate delivered a sharp attack on her opponent’s voting record. Leonard has a sharp tongue (= often speaks in a severe and critical way).

sharp adjective [-er/-est only] (CLEAR)

easy to see or understand; clear: High-definition television produces a very sharp picture. Sales this month were up, in sharp contrast to the dismal sales of the last few months.

sharp adjective [-er/-est only] (QUICK)

able to understand or see quickly and easily: She has a really sharp mind and a great sense of humor.

sharp adjective [-er/-est only] (FASHIONABLE)

infml fashionable: a sharp dresser
sharpness
noun [U]  us   /ˈʃɑrp·nəs/

sharpadjective, adverb [-er/-est only]

 us   /ʃɑrp/

sharp adjective, adverb [-er/-est only] (MUSIC)

music higher in pitch than a particular note or the correct note

sharpadverb [not gradable]

 us   /ʃɑrp/

sharp adverb [not gradable] (EXACTLY)

exactly at the stated time: The tour bus will leave at 8:30 a.m. sharp.

sharpnoun [C]

 us   /ʃɑrp/

sharp noun [C] (MUSIC)

music a mark in written music showing that a note should be played a half step higher:
(Definition of sharp from the Cambridge Academic Content Dictionary © Cambridge University Press)
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