Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun silly

1 sense of silly

Sense 1
silly -- (a word used for misbehaving children; "don't be a silly")
       => child, kid, youngster, minor, shaver, nipper, small fry, tiddler, tike, tyke, fry, nestling -- (a young person of either sex; "she writes books for children"; "they're just kids"; "`tiddler' is a British term for youngster")

Antonyms of adj silly

4 senses of silly

Sense 1
cockamamie, cockamamy, goofy, sappy, silly, wacky, whacky, zany -- (ludicrous, foolish; "gave me a cockamamie reason for not going"; "wore a goofy hat"; "a silly idea"; "some wacky plan for selling more books")

INDIRECT (VIA foolish) -> wise -- (having or prompted by wisdom or discernment; "a wise leader"; "a wise and perceptive comment")

Sense 2
airheaded, dizzy, empty-headed, featherbrained, giddy, light-headed, lightheaded, silly -- (lacking seriousness; given to frivolity; "a dizzy blonde"; "light-headed teenagers"; "silly giggles")

INDIRECT (VIA frivolous) -> serious -- (concerned with work or important matters rather than play or trivialities; "a serious student of history"; "a serious attempt to learn to ski"; "gave me a serious look"; "a serious young man"; "are you serious or joking?"; "Don't be so serious!")

Sense 3
pathetic, ridiculous, silly -- (inspiring scornful pity; "how silly an ardent and unsuccessful wooer can be especially if he is getting on in years"- Dashiell Hammett)

INDIRECT (VIA undignified) -> dignified -- (having or expressing dignity; especially formality or stateliness in bearing or appearance; "her dignified demeanor"; "the director of the school was a dignified white-haired gentleman")

Sense 4
punch-drunk, silly, slaphappy -- (dazed from or as if from repeated blows; "knocked silly by the impact"; "slaphappy with exhaustion")

INDIRECT (VIA confused) -> clearheaded, clear-thinking -- (not mentally confused; able to think clearly and act intelligently)

Similarity of adj silly

4 senses of silly

Sense 1
cockamamie, cockamamy, goofy, sappy, silly, wacky, whacky, zany -- (ludicrous, foolish; "gave me a cockamamie reason for not going"; "wore a goofy hat"; "a silly idea"; "some wacky plan for selling more books")
       => foolish (vs. wise) -- (devoid of good sense or judgment; "foolish remarks"; "a foolish decision")

Sense 2
airheaded, dizzy, empty-headed, featherbrained, giddy, light-headed, lightheaded, silly -- (lacking seriousness; given to frivolity; "a dizzy blonde"; "light-headed teenagers"; "silly giggles")
       => frivolous (vs. serious) -- (not serious in content or attitude or behavior; "a frivolous novel"; "a frivolous remark"; "a frivolous young woman")

Sense 3
pathetic, ridiculous, silly -- (inspiring scornful pity; "how silly an ardent and unsuccessful wooer can be especially if he is getting on in years"- Dashiell Hammett)
       => undignified (vs. dignified) -- (lacking dignity)

Sense 4
punch-drunk, silly, slaphappy -- (dazed from or as if from repeated blows; "knocked silly by the impact"; "slaphappy with exhaustion")
       => confused (vs. clearheaded) -- (mentally confused; unable to think with clarity or act intelligently; "the flood of questions left her bewildered and confused")