186 entries under foolish topic. ×

1
cracked(adjective, simple, wild, silly)
1
demented(adjective, wrong, wild, strange, silly)
1
deranged(adjective, simple, wild, silly)
1
enthusiastic(adjective, silly, crazy, mad)
1
erratic(adjective, wrong, wild, strange, silly)
1
feebleminded(weak, simple, silly, thoughtless)
1
incautious(weak, simple, silly, thoughtless)
1
inconsequential(adjective, wrong, value, stupid)
1
keen(adjective, silly, crazy, mad)
1
knuckle-headed
1
lame-brained
1
meat-headed
1
mental(simple, silly, unsound, unwise)
1
nerdy(weak, simple, silly, thoughtless)
1
nitwit
1
of unsound mind(expression, idiom, silly, fantastic)
1
out of all reason(expression, idiom, silly, fantastic)
1
psycho(silly, unwise)
1
sophistic(unreasonable, irrational, illogical, unreasoned)
1
specious(unreasonable, irrational, illogical, unreasoned)
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APASmart Define. (2015). absurd thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/absurd/thesaurus/synonyms
ChicagoSmart Define. 2015. "absurd thesaurus" https://smartdefine.org/absurd/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2015, absurd thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/absurd/thesaurus/synonyms>.
MLASmart Define. "absurd thesaurus" 10 April 2015. Web. 25 September 2026. <https://smartdefine.org/absurd/thesaurus/synonyms>