Synonyms|330Antonyms|21|Broader|0Narrower|0Related|642

127 entries under silly topic. ×

17
crazy(adjective, informal, strange, foolish)
17
insane(adjective, foolish, stupid, mad)
11
lunatic(adjective, foolish, stupid, mad)
9
mad(adjective, foolish, stupid, insane)
8
demented(adjective, foolish, stupid, mad)
7
daft(adjective, foolish, stupid, mad)
7
deranged(adjective, foolish, stupid, mad)
7
touched(adjective, informal, foolish, stupid)
6
cracked(adjective, informal, foolish, stupid)
6
crazed(adjective, foolish, stupid, mad)
6
loony(adjective, informal, foolish, stupid)
6
mental(adjective, foolish, stupid, mad)
6
of unsound mind(expression, adjective, idiom, mad)
6
unbalanced(adjective, foolish, mad, insane)
5
fruity(adjective, slang, foolish, mad)
5
irrational(adjective, foolish, stupid, insane)
5
nuts(adjective, slang, foolish, stupid)
5
nutty(adjective, slang, foolish, stupid)
5
psycho(foolish, mad, insane, unwise)
5
senseless(adjective, foolish, stupid, insane)
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ChicagoSmart Define. 2015. "moonstruck thesaurus" https://smartdefine.org/moonstruck/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2015, moonstruck thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/moonstruck/thesaurus/synonyms>.
MLASmart Define. "moonstruck thesaurus" 10 April 2015. Web. 25 September 2026. <https://smartdefine.org/moonstruck/thesaurus/synonyms>