221 entries under foolish topic. ×

4
screwball(adjective, silly, unwise)
4
short-sighted(adjective, weak, simple, silly)
4
vacuous(adjective, simple, careless, silly)
3
capricious(stupid, irrational, arbitrary, perverse)
3
doltish(dull, weak, simple, careless, silly)
3
eccentric(adjective, silly, fantastic, absurd)
3
forgetful(adjective, silly, unknowing, unnecessary)
3
harebrained(weak, simple, silly, fantastic)
3
irresponsible(adjective, wrong, wild, stupid)
3
loopy(adjective, crazy, mad, odd)
3
out of it(expression, adjective, idiom, silly)
3
psycho(silly, unwise)
3
puerile(adjective, dull, silly, stupid)
3
unmindful(adjective, careless, silly, thoughtless)
3
unreasoned(stupid, irrational, arbitrary, perverse)
2
baseless(unreasonable, illogical)
2
birdbrained(crazy, impulsive, insane, unintelligent)
2
bonkers(adjective, silly, unwise)
2
cockamamie(weak, simple, unreasonable, illogical)
2
cockamamy(silly, thoughtless, unwise, unintelligent)
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APASmart Define. (2016). senseless thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/senseless/thesaurus/synonyms
ChicagoSmart Define. 2016. "senseless thesaurus" https://smartdefine.org/senseless/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2016, senseless thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/senseless/thesaurus/synonyms>.
MLASmart Define. "senseless thesaurus" 14 March 2016. Web. 23 September 2026. <https://smartdefine.org/senseless/thesaurus/synonyms>