281 entries under foolish topic. ×

3
short-sighted(adjective, weak, simple, fantastic)
3
unrealistic(adjective, fantastic, practical, unwise)
3
vacant(adjective, indifferent, stupid, senseless)
3
weak(simple, thoughtless, absurd, unwise)
3
weird(adjective, fantastic, ridiculous, unwise)
2
buggy(crazy, irrational)
2
careless(adjective, stupid, vague, senseless)
2
jerky(adjective, light, weak, simple, knowledge)
2
screwball(adjective, crazy, mad, insane)
2
bats in the belfry(expression, idiom, mad, insane)
2
contradictory(adjective, stupid, senseless, absurd)
2
dense(adjective, dull, simple, stupid)
2
doltish(adjective, weak, simple, careless)
2
erratic(adjective, wrong, wild, stupid)
2
forgetful(adjective, vague, senseless, unnecessary)
2
ill-conceived(fantastic, impulsive, unwise, impractical)
2
improvident(adjective, careless, rash, excessive)
2
inadvisable(adjective, rash, risky)
2
inattentive(adjective, slight, detail, careless)
2
incautious(adjective, weak, simple, crazy)
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APASmart Define. (2016). silly thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/silly/thesaurus/synonyms
ChicagoSmart Define. 2016. "silly thesaurus" https://smartdefine.org/silly/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2016, silly thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/silly/thesaurus/synonyms>.
MLASmart Define. "silly thesaurus" 20 January 2016. Web. 23 September 2026. <https://smartdefine.org/silly/thesaurus/synonyms>