Thesaurus
silly
Synonyms and Antonyms of silly
1
lacking in seriousness or maturity
birdbrained, ditzy (or ditsy), dizzy, featherbrained, flighty, frivolous, frothy, futile, giddy, goofy, harebrained, light-headed, light-minded, puerile, scatterbrained, yeasty
grave, melancholy, somber (or sombre), thoughtful
dignified, heavy, no-nonsense, sedate, severe, solemn, staid
2
showing or marked by a lack of good sense or judgment
absurd, asinine, balmy, brainless, bubbleheaded, cockeyed, crackpot, crazy, cuckoo, daffy, daft, dippy, dotty, fatuous, featherheaded, fool, foolish, half-baked, half-witted, harebrained, inept, insane, jerky, kooky (also kookie), loony (also looney), lunatic, lunkheaded, mad, nonsensical, nutty, preposterous, sappy, screwball, senseless, simpleminded, stupid, tomfool, unwise, wacky (also whacky), weak-minded, witless, zany
airheaded, birdbrained, boobish, brain-dead, chowderheaded, chuckleheaded, clueless, dense, dim, dim-witted, doltish, dopey (also dopy), dorky [slang], dull, dumb, dunderheaded, empty-headed, fatuous, feebleminded, gormless [chiefly British], idiotic (also idiotical), imbecile (or imbecilic), knuckleheaded, lamebrain (or lamebrained), mindless, moronic, oafish, obtuse, opaque, pinheaded, simple, slow, slow-witted, soft, softheaded, thoughtless, thick, thickheaded, unintelligent, vacuous, witless
fallacious, illogical, invalid, irrational, nonrational, surd, unreasonable, unreasoning, unsound, weak
out to lunch
3
so foolish or pointless as to be worthy of scornful laughter
absurd, cockamamy (or cockamamie), comical, derisive, derisory, farcical, laughable, ludicrous, pathetic, preposterous, ridiculous, risible
asinine, brainless, dumb, fatuous, foolish, half-baked, half-witted, harebrained, idiotic (also idiotical), imbecile (or imbecilic), inane, jerky, moronic, nonsensical, simpleminded, stupid, unwise, weak-minded, witless
balmy, cockeyed, crazy, cuckoo, daffy, daft, dotty, insane, kooky (also kookie), loony (also looney), lunatic, mad, nutty, screwball, senseless, wacky (also whacky)
fantastic (also fantastical), far-fetched, inconceivable, incredible, unbelievable, unreal, unrealistic, unreasonable
for the birds
4
suffering from mental confusion
addle, addled, addlepated, bedeviled, befogged, befuddled, bemused, bewildered, bushed [chiefly Australian], confounded, confused, dazed, distracted, dizzy, dopey (also dopy), fogged, mixed-up, muddleheaded, muzzy, pixilated (also pixillated), punch-drunk, punchy, raddled, shell-shocked, slaphappy, spaced-out (or spaced), spacey (also spacy), stunned, stupefied, zonked, zonked-out
at sea, out of it
Synonym Discussion of silly
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- considered people simple who had trouble with computers
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- foolish stunts
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- the silly antics of revelers
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- fatuous conspiracy theories
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- an asinine plot
Learn More about silly
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See words that rhyme with silly Dictionary: Definition of silly Spanish Central: Translation of silly Nglish: Translation of silly for Spanish speakers Britannica English: Translation of silly for Arabic speakers
Seen and Heard
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