sharp

having a thin cutting edge or a fine point; well-adapted for cutting or piercing.

a sharp knife.

Antonyms:

dull

terminating in an edge or point; not blunt or rounded.

The table had sharp corners.

involving a sudden or abrupt change in direction or course.

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

abrupt, as an ascent.

a sharp drop.

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

He had a sharp face.

clearly defined; distinct.

a sharp photographic image.

Synonyms:

clear

distinct or marked, as a contrast.

sharp differences of opinion.

pungent or biting in taste.

a sharp cheese.

Synonyms:

sour, piquant, bitter, acrid

piercing or shrill in sound.

a sharp cry.

keenly cold, as weather.

a sharp, biting wind.

Synonyms:

biting, nipping, piercing

felt acutely; intense; distressing.

sharp pain.

Synonyms:

excruciating, severe

merciless, caustic, or harsh.

sharp words.

Synonyms:

biting, pointed, acrimonious, acid, cutting, unmerciful

fierce or violent.

a sharp struggle.

keen or eager.

sharp desire.

quick, brisk, or spirited.

alert or vigilant.

They kept a sharp watch for the enemy.

Synonyms:

attentive

mentally acute.

a sharp lad.

Synonyms:

discriminating, clever, perspicacious, discerning

extremely sensitive or responsive; keen.

sharp vision; sharp hearing.

shrewd or astute.

a sharp bargainer.

shrewd to the point of dishonesty.

sharp practice.

Synonyms:

deceitful, shady

Music.

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

   F sharp.

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

Informal. very stylish.

a sharp dresser; a sharp jacket.

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

Phonetics. fortis; voiceless.

composed of hard, angular grains, as sand.

keenly or acutely.

abruptly or suddenly.

to pull a horse up sharp.

punctually.

Meet me at one o'clock sharp.

briskly; quickly.

The horse turned sharp to the left.

Music. above the true pitch.

You're singing a little sharp.

something sharp.

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

a sharper.

Informal. an expert.

Music.

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

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

having a keen edge suitable for cutting

having an edge or point; not rounded or blunt

involving a sudden change, esp in direction

a sharp bend

moving, acting, or reacting quickly, efficiently, etc

sharp reflexes

clearly defined

mentally acute; clever; astute

sly or artful; clever in an underhand way

sharp practice

bitter or harsh

sharp words

shrill or penetrating

a sharp cry

having an acrid taste

keen; biting

a sharp wind

sharp pain

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

phonetics a less common word for fortis

informal

1. stylish

2. too smart

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

in a sharp manner

exactly

six o'clock sharp

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

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

a thin needle with a sharp point

informal a sharper

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