144 entries under silly topic. ×

2
half-baked(adjective, dull, weak, slight, slow)
2
indiscreet(dull, weak, foolish, thoughtless)
2
insignificant(adjective, lower, obscure, poor, pure)
2
jerky(adjective, weak, foolish, thoughtless)
2
lamebrain(noun, fool, innocent, imbecile)
2
ludicrous(adjective, dull, weak, foolish)
2
mentally deficient(expression, foolish, stupid)
2
mentally handicapped(expression, foolish, stupid)
2
schmuck(noun, slang, ability, fool)
2
soft-headed(adjective, stupid, intelligent, fat)
2
trivial(adjective, dull, slight, lower, obscure)
2
turkey(noun, slang, ability, fool)
2
unwise(adjective, weak, foolish, stupid)
2
weak(adjective, dull, slow, foolish)
2
zany(weak, foolish, thoughtless, unwise)
1
batty(adjective, foolish, stupid, insignificant)
1
birdbrain(noun, fool, innocent, imbecile)
1
brutish(adjective, rough, violent, foolish)
1
cockamamy(thoughtless, unwise)
1
dippy(weak, foolish, thoughtless, unwise)
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APASmart Define. (2016). simple thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/simple/thesaurus/synonyms
ChicagoSmart Define. 2016. "simple thesaurus" https://smartdefine.org/simple/thesaurus/synonyms (accessed September 21, 2026).
HarvardSmart Define 2016, simple thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/simple/thesaurus/synonyms>.
MLASmart Define. "simple thesaurus" 29 March 2016. Web. 21 September 2026. <https://smartdefine.org/simple/thesaurus/synonyms>