84 entries under foolish topic. ×

4
undiscerning(adjective, indifferent, stupid, casual)
3
daydreaming(adjective, indifferent, silly, apathetic)
3
ill-judged(adjective, bold, thoughtless, impulsive)
3
inexpedient(adjective, thoughtless, inappropriate, rash)
3
silly(adjective, stupid, vague, senseless)
3
stupid(adjective, dull, sharp, rough, wild)
3
temerarious(adjective, wild, thoughtless, rash)
3
undependable(adjective, thoughtless, unpredictable, unreliable)
2
harebrained(adjective, wrong, wild, stupid)
2
mooning(adjective, silly, remote, vague)
2
out of it(expression, adjective, idiom, dull, indifferent)
2
scatterbrained(adjective, indifferent, apathetic, thoughtless)
2
uncareful(adjective, weak, wild, feeble)
2
unconsidered(adjective, passionate, violent, casual)
2
unreasoning(adjective, dull, indifferent, stupid)
2
unreliable(adjective, weak, wrong, false, loose)
2
untrustworthy(adjective, weak, loose, thoughtless)
1
asinine(adjective, wild, silly, stupid)
1
brutish(adjective, silly, thoughtless, senseless)
1
empty-headed(adjective, wild, stupid, vague)
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APASmart Define. (2016). careless thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/careless/thesaurus/synonyms
ChicagoSmart Define. 2016. "careless thesaurus" https://smartdefine.org/careless/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2016, careless thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/careless/thesaurus/synonyms>.
MLASmart Define. "careless thesaurus" 3 March 2016. Web. 25 September 2026. <https://smartdefine.org/careless/thesaurus/synonyms>