273 entries under adjective topic. ×

6
of unsound mind(expression, idiom, foolish, stupid)
6
out to lunch(expression, idiom, silly, foolish)
6
ridiculous(light, weak, simple, wrong)
5
around the bend(expression, idiom, wrong, confused)
5
berserk(silly, foolish, crazy, unwise)
5
bughouse
5
dizzy(light, pleasant, happy, silly)
5
dopey(knowledge, slang, ability, foolish)
5
flaky(light, silly, stupid, crazy)
5
fool
5
off-the-wall(wrong, pleasant, happy, foolish)
5
schizo(noun, slang, foolish, sick)
5
thoughtless(careless, silly, stupid, unwise)
4
blockheaded(foolish, impractical, half-baked, doomed)
4
brainsick(wrong, wild, crazy, confused)
4
crack-brained
4
disordered(wrong, wild, crazy, confused)
4
half-witted(weak, simple, silly, foolish)
4
jerky(light, knowledge, slang, ability)
4
laughable
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APASmart Define. (2015). loony thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/loony/thesaurus/synonyms
ChicagoSmart Define. 2015. "loony thesaurus" https://smartdefine.org/loony/thesaurus/synonyms (accessed September 27, 2026).
HarvardSmart Define 2015, loony thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/loony/thesaurus/synonyms>.
MLASmart Define. "loony thesaurus" 10 April 2015. Web. 27 September 2026. <https://smartdefine.org/loony/thesaurus/synonyms>