97 entries under stupid topic. ×

7
wild(adjective, wrong, strange, silly, foolish)
6
distraught(adjective, wrong, foolish, crazy)
6
moonstruck(adjective, silly, foolish, insane)
6
of unsound mind(expression, adjective, idiom, foolish)
6
ridiculous(adjective, light, weak, simple, wrong)
5
flaky(adjective, light, silly, crazy)
5
off-the-wall(adjective, wrong, pleasant, happy, foolish)
5
thoughtless(adjective, careless, silly, unwise)
4
inept(careless, unthinking, obtuse, unperceptive)
3
cockamamie(adjective, weak, simple, wrong, silly)
3
doltish(adjective, weak, simple, careless, silly)
3
odd(adjective, wild, strange, silly, foolish)
3
schizophrenic(noun, adjective, silly, foolish)
3
unreasonable(adjective, weak, simple, foolish)
3
unstable(careless, foolish, unreasonable, unthinking)
2
bizarre(adjective, wild, strange, silly, foolish)
2
confused(careless, unthinking, obtuse, unperceptive)
2
empty-headed(careless, unthinking, obtuse, unperceptive)
2
frenzied(adjective, wrong, wild, silly, foolish)
2
half-baked(weak, simple, careless, foolish)
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APASmart Define. (2015). loony thesaurus. Retrieved September 29, 2026, from https://smartdefine.org/loony/thesaurus/synonyms
ChicagoSmart Define. 2015. "loony thesaurus" https://smartdefine.org/loony/thesaurus/synonyms (accessed September 29, 2026).
HarvardSmart Define 2015, loony thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/loony/thesaurus/synonyms>.
MLASmart Define. "loony thesaurus" 10 April 2015. Web. 29 September 2026. <https://smartdefine.org/loony/thesaurus/synonyms>