(superl.) Eager in pursuit; keen in quest; impatient for gratification; keen; as, a sharp appetite.
(15):
(superl.) Of keen perception; quick to discern or distinguish; having nice discrimination; acute; penetrating; sagacious; clever; as, a sharp eye; sharp sight, hearing, or judgment.
(16):
(superl.) Cutting in language or import; biting; sarcastic; cruel; harsh; rigorous; severe; as, a sharp rebuke.
(17):
(superl.) Very trying to the feelings; piercing; keen; severe; painful; distressing; as, sharp pain, weather; a sharp and frosty air.
(18):
(superl.) 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.
(19):
(superl.) Raised a semitone in pitch; as, C sharp (C/), which is a half step, or semitone, higher than C.
(20):
(superl.) High in pitch; acute; as, a sharp note or tone.
(21):
(superl.) 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.
(22):
(superl.) Terminating in a point or edge; not obtuse or rounded; somewhat pointed or edged; peaked or ridged; as, a sharp hill; sharp features.
(23):
(superl.) Having a very thin edge or fine point; of a nature to cut or pierce easily; not blunt or dull; keen.
(24):
(v. i.) To sing above the proper pitch.
(25):
(superl.) Steep; precipitous; abrupt; as, a sharp ascent or descent; a sharp turn or curve.
(26):
(superl.) Composed of hard, angular grains; gritty; as, sharp sand.
(27):
(adv.) Precisely; exactly; as, we shall start at ten o'clock sharp.
(28):
(v. i.) To play tricks in bargaining; to act the sharper.