111 entries under silly topic. ×

1
fatuous(weak, simple, foolish, thoughtless)
1
feebleminded(weak, simple, foolish, thoughtless)
1
goofy(foolish, unwise, impractical, half-baked)
1
half-baked(weak, simple, foolish, thoughtless)
1
half-witted(weak, simple, foolish, thoughtless)
1
idiotic(weak, simple, foolish, thoughtless)
1
ill-advised(weak, simple, foolish, thoughtless)
1
ill-considered(weak, simple, foolish, thoughtless)
1
imbecilic(adjective, weak, simple, foolish)
1
imprudent(adjective, weak, simple, wild, strange)
1
inane(foolish, pitiful, pathetic, half-baked)
1
inappropriate(strange, foolish, irregular, improper)
1
incautious(weak, simple, foolish, thoughtless)
1
indiscreet(weak, simple, foolish, thoughtless)
1
injudicious(weak, simple, foolish, thoughtless)
1
jerky(weak, simple, foolish, thoughtless)
1
moronic(weak, simple, foolish, thoughtless)
1
nerdy(weak, simple, foolish, thoughtless)
1
nutty(weak, simple, foolish, thoughtless)
1
of unsound mind(expression, idiom, foolish, unwise)
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APASmart Define. (2016). fantastic thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/fantastic/thesaurus/synonyms
ChicagoSmart Define. 2016. "fantastic thesaurus" https://smartdefine.org/fantastic/thesaurus/synonyms (accessed September 28, 2026).
HarvardSmart Define 2016, fantastic thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/fantastic/thesaurus/synonyms>.
MLASmart Define. "fantastic thesaurus" 30 March 2016. Web. 28 September 2026. <https://smartdefine.org/fantastic/thesaurus/synonyms>