brilliant

Synonyms beaming, bedazzling, brilliant, candescent, clear, dazzling, effulgent, fulgent, glowing, incandescent, lambent, lucent, lucid, luminous, lustrous, radiant, refulgent, sheeny, shining, shiny, splendid

Related Words ablaze, ardent, blazing, burning, combusting, fiery, flaming, red-hot; agleam, aglitter, blinding, coruscant, flaring, flashing, flickering, gemmy, glancing, glaring, gleaming, glimmering, glinting, glistening, glistering, glittering, scintillant, scintillating, shimmering, shimmery, sparkling, sunny, twinkling, winking; burnished, polished, shined; superbright, ultrabright

Near Antonyms blackened, dark, darkened, darkish, darkling, darksome, dimmed, dusky, gloomy, lightless, murky, obscure, obscured, pitch-black, pitch-dark, somber (or sombre), sunless, tenebrous, unlit; cloudy, shadowlike, shadowy, shady; gray (also grey), leaden, pale, palish

Antonyms dim, dull, lackluster, unbright, unbrilliant

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

Related Words 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

Near Antonyms feebleminded, simpleminded; boobish, foolish, half-baked, idiotic (also idiotical), imbecile (or 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 (also kookie), loony (also looney), lunatic, mad, nonsensical, nutty, preposterous, sappy, screwball, tomfool, unwise, wacky (also whacky), zany

Antonyms airheaded, birdbrained, boneheaded, brain-dead, brainless, bubbleheaded, chuckleheaded, dense, dim, dim-witted, doltish, dopey (also dopy), dorky [slang], dull, dumb, dunderheaded, empty-headed, fatuous, gormless [chiefly British], half-witted, knuckleheaded, lamebrain (or lamebrained), lunkheaded, mindless, obtuse, opaque, pinheaded, senseless, simple, slow, slow-witted, soft, softheaded, stupid, thick, thickheaded, thick-witted, unbrilliant, unintelligent, unsmart, vacuous, weak-minded, witless

Synonyms arresting, bodacious, bold, brilliant, catchy, commanding, conspicuous, dramatic, emphatic, eye-catching, flamboyant, grabby, kenspeckle [chiefly Scottish], marked, noisy, prominent, pronounced, remarkable, showy, splashy, striking

Related Words detectable, discernible (also discernable), observable, perceptible, recognizable, visible; outstanding, salient; distinguished, eminent, impressive, notable, noteworthy; highlighted, spotlighted; flagrant, glaring, howling, screaming; flashy, garish, gaudy, glitzy, jazzy, loud, meretricious, swank (or swanky), tawdry; highfalutin (also hifalutin), ostentatious, pretentious; extravagant, fancy, florid, glittery, spectacular; opulent, ornate, overdone, overwrought; absorbing, engrossing, enthralling, fascinating, interesting, riveting

Near Antonyms subtle; concealed, hidden, shrouded; dim, faint, obscure; insignificant, undistinguished, unimportant; modest, unaffected, unassuming, unpretentious; conservative, plain, quiet, simple, understated; muted, restrained, subdued, subtle, toned-down, unflashy

Antonyms inconspicuous, unemphatic, unflamboyant, unnoticeable, unobtrusive, unremarkable, unshowy