207 entries under foolish topic. ×

5
round the bend(expression, idiom, silly, insane)
5
screwball(adjective, silly, crazy, insane)
5
strange(adjective, unusual, silly, marvelous)
5
unglued(adjective, upset, wild, silly)
5
unsettled(adjective, silly, stupid, hot)
4
fallacious(adjective, wrong, false, unreasonable)
4
flighty(adjective, lively, active, crazy)
4
incautious(adjective, weak, simple, rough, silly)
4
quixotic(adjective, silly, unwise)
4
reasonless(stupid, unreasonable, senseless, irrational)
4
sophistic(adjective, unreasonable, irrational, worthless)
4
turbulent(adjective, rough, violent, excited)
4
weird(adjective, unusual, wild, strange, silly)
4
wrong(adjective, unreasonable, irrational, sane)
3
bizarre(adjective, wrong, unusual, wild, strange)
3
buggy(adjective, slang, silly, crazy)
3
erratic(adjective, unusual, wild, strange, lively)
3
half-baked(weak, simple, silly, thoughtless)
3
half-witted(weak, simple, silly, thoughtless)
3
impractical(adjective, wrong, wild, silly)
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APASmart Define. (2016). mad thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/mad/thesaurus/synonyms
ChicagoSmart Define. 2016. "mad thesaurus" https://smartdefine.org/mad/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2016, mad thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/mad/thesaurus/synonyms>.
MLASmart Define. "mad thesaurus" 24 March 2016. Web. 24 September 2026. <https://smartdefine.org/mad/thesaurus/synonyms>