124 entries under silly topic. ×

7
simple-minded(adjective, dull, simple, slow)
6
obtuse(adjective, dull, simple, slow)
6
boneheaded(adjective, slow, stupid, impulsive)
6
unreasonable(adjective, weak, simple, foolish)
6
unthinking(adjective, dull, simple, slow)
5
batty(adjective, foolish, stupid, crazy)
5
daffy(adjective, weak, simple, slow)
5
empty-headed(adjective, foolish, stupid)
5
ignorant(adjective, simple, slow, foolish)
4
illogical(adjective, stupid, insignificant, unreasonable)
4
jerky(adjective, weak, simple, knowledge, slang)
4
pointless(adjective, dull, simple, slow)
4
simpleminded(adjective, dull, simple, foolish)
3
lunatic(adjective, weak, simple, knowledge, ability)
3
short-sighted(adjective, weak, simple, foolish)
3
zany(adjective, weak, simple, knowledge, ability)
2
birdbrained(adjective, dull, simple, slow)
2
credulous(adjective, stupid, green, fat)
2
feeble(adjective, stupid, green, fat)
2
flaky(adjective, stupid, insignificant, unreasonable)
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APASmart Define. (2016). moronic thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/moronic/thesaurus/synonyms
ChicagoSmart Define. 2016. "moronic thesaurus" https://smartdefine.org/moronic/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2016, moronic thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/moronic/thesaurus/synonyms>.
MLASmart Define. "moronic thesaurus" 24 March 2016. Web. 25 September 2026. <https://smartdefine.org/moronic/thesaurus/synonyms>