sharp

Synonyms: aciculate acuate acuminate acuminous acute apical barbed briery cuspate cuspidate edged fine ground fine honed horned jagged keen keen-edged knife-edged needlelike needle-pointed peaked pointed pointy prickly pronged razor-sharp salient serrated sharp-edged sharpened spiked spiky spiny splintery stinging tapered tapering thorny tined tipped unblunted whetted

Antonyms: blunt dull

Synonyms: abrupt distinct extreme intense marked

Antonyms: lazy slow

Synonyms: acute adroit alert apt astute brainy bright brilliant canny clever critical cute discerning discriminating fast foxy having smarts ingenious intelligent keen knowing nimble nobody’s fool not born yesterday observant on the ball original penetrating penetrative quick quick on the trigger quick on the uptake ready resourceful savvy sensitive slick smart smart as a tack subtle wise

Antonyms: ignorant stupid unintelligent

Synonyms: artful bent crafty cunning designing ornery salty shady shrewd slick slippery sly smart snaky twofaced underhand unethical unscrupulous wily

Antonyms: aboveboard forthright frank honest

Synonyms: acute agonizing biting cutting distinct distressing drilling excruciating fierce keen knifelike painful paralyzing penetrating piercing shooting smart sore stabbing stinging violent

Antonyms: calm mild moderate

Synonyms: audible clear clear-cut crisp definite explicit obvious visible

Antonyms: indefinite indistinct undefined

Synonyms: chic classy dashing distinctive dressy excellent fashionable fine first-class fly in style smart snappy swank tony trendy

Antonyms: boring old-fashioned unstylish

Synonyms: acrimonious angry barbed biting caustic cutting double-edged harsh incisive inconsiderate penetrating peppery piercing pointed pungent sarcastic sardonic scathing severe short stabbing stinging tart thoughtless trenchant unceremonious ungracious virulent vitriolic

Antonyms: benevolent kind nice

Synonyms: acerbic acid acrid active astringent austere bitter brisk burning harsh hot lively odorous piquant pungent sour strongsmelling suffocating tart vigorous vinegary

Antonyms: bland calm dull flat low mild moderate tasteless

Synonyms: abruptly accurately bang exactly just on the button on the dot precisely promptly punctually right smack-dab square squarely suddenly

Antonyms: late