129 entries under silly topic. ×

9
bizarre(adjective, wrong, happy, perfect, unusual)
8
cockeyed(adjective, knowledge, ability, informal)
8
droll(adjective, unusual, strange, fantastic)
8
funny(adjective, absurd, pitiful, pathetic)
8
weird(adjective, unusual, strange, foolish)
7
daft(adjective, weak, simple, wild)
7
derisory(adjective, foolish, fantastic, absurd)
7
harebrained(adjective, weak, great, simple, knowledge)
6
balmy(adjective, knowledge, slang, ability, wild)
6
dotty(adjective, weak, simple, foolish)
6
lunatic(adjective, weak, simple, knowledge, ability)
6
screwy(adjective, great, wrong, extraordinary, wild)
5
amusing(adjective, funny, fantastic, absurd)
5
cuckoo(adjective, foolish, stupid, unwise)
5
erratic(adjective, wrong, wild, strange)
5
zany(adjective, weak, simple, knowledge, ability)
4
batty(adjective, strange, foolish, stupid)
4
eccentric(adjective, wild, strange, foolish)
4
impracticable(adjective, wild, strange, foolish)
4
nuts(adjective, wild, foolish, stupid)
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APASmart Define. (2015). preposterous thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/preposterous/thesaurus/synonyms
ChicagoSmart Define. 2015. "preposterous thesaurus" https://smartdefine.org/preposterous/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2015, preposterous thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/preposterous/thesaurus/synonyms>.
MLASmart Define. "preposterous thesaurus" 2 September 2015. Web. 22 September 2026. <https://smartdefine.org/preposterous/thesaurus/synonyms>