Thesaurus

abrupt, acanthoid, acanthous, acerb, acerbic, acid, acrid, acuate, acute, adenoidal, afflictive, altissimo, alto, angular, angulate, apperceptive, apprehensive, astute, awful, barreled, barrelled, beastly, bitter, blistering, bluff, bold, bristle-pointed, bruising, cagey, cagy, canny, carnassial, caustic, chisel-like, chiseled, choppy, cigar-shaped, clean-cut, clear, clear-cut, clever, countertenor, crisp, crystalline, cutting, dagger-like, defined, definite, discerning, discriminating, displeasing, distinct, dour, drastic, dreadful, drill-like, edged, embarrassing, emergent, emphatic, exclamatory, explosive, falsetto, fang-like, fast, file-like, firm, five-pointed, forbidding, forceful, forcible, fulgurating, fulminant, fusiform, god-awful, grim, harsh, heavy, hellish, high, high-pitched, hot, ill-natured, impellent, impetuous, incisive, insightful, intelligent, intense, jerky, keen, knifelike, lancinate, lancinating, metal-cutting, mortifying, nasal, nasty, needlelike, nibbed, observant, observing, offensive, outlined, painful, peaked, peaky, penetrating, penetrative, perceptive, perpendicular, physical, piercing, pinched, piping, pointed, precipitous, precise, pyramidal, pyramidic, pyramidical, quick-sighted, razor-sharp, rebarbative, repellant, repellent, rough, salt, scratching, screaky, screechy, sharp, sharp-eyed, sharp-sighted, sharp-toothed, sharp-worded, sharpened, sheer, shrewd, shrill, shrilling, six-pointed, smart, sopranino, soprano, sore, spiked, spikelike, spiky, spindle-shaped, spinous, squeaking, squeaky, squealing, stabbing, steep, steep-sided, steepish, street smart, streetwise, strong, strong-arm, subtle, sudden, sulfurous, sulphurous, tapered, tapering, tart, tenor, treble, understanding, unexpected, unforeseen, ungrateful, unhappy, unpalatable, unpleasant, venomous, vertical, virulent, vitriolic, well-defined, with-it

sharp is a ADJ.

acutely, sharp, sharply

sharp is a ADV.