132 entries under foolish topic. ×

2
cuckoo(adjective, silly, stupid)
2
daffy(adjective, weak, simple, strange)
2
dippy(adjective, weak, simple, strange)
2
foolhardy(adjective, stupid, fantastic, absurd)
2
frenzied(adjective, violent, wild, silly)
2
harebrained(weak, simple, silly, stupid)
2
incoherent(adjective, hot, irrational, illogical)
2
indiscreet(adjective, weak, simple, silly)
2
loopy
2
lunatic(adjective, weak, simple, silly)
2
maniacal(adjective, silly, stupid, hot)
2
misled(adjective, unwise, mistaken, ill-advised)
2
pointless(adjective, simple, silly, stupid)
2
raging(adjective, violent, stupid, mad)
2
rash(adjective, careless, silly, stupid)
2
screwy(adjective, strange, silly, stupid)
2
short-sighted(adjective, weak, simple, silly)
2
specious(adjective, irrational, illogical, unreasoned)
2
wrong(adjective, false, stupid, crazy)
1
aberrant(hot, fantastic, illogical, feverish)
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APASmart Define. (2015). unreasonable thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/unreasonable/thesaurus/synonyms
ChicagoSmart Define. 2015. "unreasonable thesaurus" https://smartdefine.org/unreasonable/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2015, unreasonable thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/unreasonable/thesaurus/synonyms>.
MLASmart Define. "unreasonable thesaurus" 10 April 2015. Web. 26 September 2026. <https://smartdefine.org/unreasonable/thesaurus/synonyms>