keen

delicate, fine, keen, perceptive, quick, sensitive, sharp

accurate, clear, discerning, good, piercing, precise, receptive, sensible, subtle; hair-trigger, hyperacute, hypersensitive, oversensitive, supersensitive

bad, deadened, dimmed, dull, dulled, fading; dead, imperceptive, insensible, insensitive, numb; imprecise, inaccurate

biting, bitter, keen, penetrating, piercing, raw, sharp, shrewd, smarting, stinging

brisk, invigorating, nippy, snappy; needlelike, prickly, tingling; caustic, corrosive

balmy, gentle, mild, soothing

cutting, edged, edgy, ground, honed, keen, sharpened, stropped, trenchant, whetted

clawlike, daggerlike, knifelike; jabbing, jagged, lacerating, piercing, scratching, stabbing; pointed, pointy, spiky ( spikey)

rounded, smooth; soft; even, flat, level, slick

alert, brainy, bright, brilliant, clever, exceptional, fast, hyperintelligent, keen, nimble, quick, quick-witted, sharp, sharp-witted, smart, supersmart, ultrasmart

apt, ingenious, resourceful; acute, astute, discerning, heady, insightful, knowing, perceptive, percipient, perspicacious, sagacious, sapient, savvy, wise; cerebral, erudite, genial, highbrow, knowledgeable, learned, literate, scholarly, well-read; educated, informed, schooled, skilled, trained; creative, inventive, judicious, prudent, sage, sane, sapient, sensible, sound, wise; crafty, cunning, foxy, shrewd, wily; logical, rational, reasonable

feebleminded, simpleminded; boobish, foolish, half-baked, idiotic ( idiotical), imbecile ( imbecilic), moronic, silly; ignorant, illiterate, lowbrow, nonintellectual, unacademic, uneducated, uninformed, unintellectual, untaught, unthinking; absurd, asinine, balmy, cockeyed, crackpot, crazy, cuckoo, daffy, daft, dippy, dotty, featherheaded, fool, half-baked, harebrained, insane, kooky ( kookie), loony ( looney), lunatic, mad, nonsensical, nutty, preposterous, sappy, screwball, tomfool, unwise, wacky ( whacky), zany

A-OK, A1, awesome, bang-up, banner, beautiful, blue-chip, blue-ribbon, boffo, bonny ( bonnie), boss, brag, brave, bully, bumper, capital, choice, classic, cool, corking, crackerjack, cracking, dandy, divine, dope, down, dynamite, fab, fabulous, famous, fantabulous, fantastic, fine, first-class, first-rate, first-string, five-star, four-star, frontline, gangbusters ( gangbuster), gilt-edged ( gilt-edge), gone, grand, great, groovy, heavenly, high-class, hot, hype, immense, jim-dandy, keen, lovely, marvelous ( marvellous), mean, neat, nifty, noble, number one ( No. 1), numero uno, out-of-sight, par excellence, peachy, peachy keen, phat, prime, primo, prize, prizewinning, quality, radical, righteous, sensational, slick, splendid, stellar, sterling, superb, superior, superlative, supernal, swell, terrific, tip-top, top, top-flight, top-notch, top-of-the-line, topping, top-shelf, unsurpassed, wizard, wonderful

acceptable, adequate, all right, decent, good, OK ( okay), passable, satisfactory, tolerable; better, exceptional, fancy, high-grade, high-test, premium, select, special, superfine; classical, standard, traditional

bad, inferior, low-grade, substandard, unsatisfactory; mediocre, middling, second-class, second-rate

agog, antsy, anxious, ardent, athirst, avid, crazy, desirous, enthused, enthusiastic, excited, geeked, great, greedy, gung ho, hepped up, hopped-up, hot, hungry, impatient, juiced, keen, nuts, pumped, raring, solicitous, stoked, thirsty, voracious, wild

engaged, interested; happy, hung up, obsessed; ambitious, appetent, covetous, craving, hankering, longing, pining; breathless, restive, restless; amenable, disposed, game, glad, inclined, ready, unreluctant, willing

casual, incurious, insouciant, nonchalant, unconcerned, uninterested; aloof, detached, disinterested; impassive, stolid; halfhearted, lackadaisical, languid, languorous, lukewarm, spiritless; averse, disinclined, hesitant, loath ( loth loathe), reluctant, unwilling

acute, almighty, blistering, deep, dreadful, excruciating, explosive, exquisite, fearful, fearsome, ferocious, fierce, frightful, furious, ghastly, hard, heavy, heavy-duty, hellacious, intensive, keen, profound, terrible, vehement, vicious, violent

accentuated, aggravated, concentrated, deepened; emphasized, enhanced, heightened, intensified, magnified; stressed; exhaustive, thorough; harsh, rigorous, severe

feeble, weak; shallow, superficial; moderated, qualified; alleviated, eased, lightened, toned (down); abated, decreased, diminished, lessened, reduced, subdued

beef, bellyache, bitch, bleat, carp, caterwaul, crab, croak, fuss, gripe, grizzle, grouch, grouse, growl, grumble, grump, holler, inveigh, keen, kick, kvetch, maunder, moan, murmur, mutter, nag, repine, scream, squawk, squeal, wail, whimper, whine, whinge, yammer, yawp ( yaup), yowl

object (to), protest, quarrel (with); cavil, quibble; fret, stew, worry; blubber, cry, sob; bemoan, bewail, deplore, lament

accept, bear, countenance, endure, take, tolerate; applaud, cheer, commend

bay, keen, ululate, wail, yowl

bawl, caterwaul, scream, screech, shriek, shrill, squall, squeal, yawp ( yaup), yell, yelp