85 entries under silly topic. ×

6
ignorant(adjective, stupid, innocent, green)
6
illogical(adjective, wrong, foolish, stupid)
6
nitwitted(adjective, stupid, senseless, green)
6
purposeless(adjective, stupid, insignificant, senseless)
6
thick(adjective, dull, simple, foolish)
6
unwise(adjective, wrong, foolish, stupid)
5
absurd(adjective, dull, simple, wrong)
5
crazy(adjective, wrong, careless, foolish)
5
dumb(adjective, dull, simple, slow)
5
insensate(adjective, dull, simple, ability, slow)
5
nonsensical(adjective, dull, simple, wrong)
5
ridiculous(adjective, wrong, foolish, stupid)
4
dense(adjective, dull, simple, foolish)
4
dull(adjective, simple, slow, careless)
4
ludicrous(adjective, dull, simple, foolish)
4
meaningless(adjective, dull, simple, slow)
4
pointless(adjective, dull, simple, slow)
3
doltish(adjective, dull, careless, foolish)
3
illiterate(adjective, stupid, innocent, green)
3
imbecile(adjective, dull, simple, foolish)
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APASmart Define. (2015). mindless thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/mindless/thesaurus/synonyms
ChicagoSmart Define. 2015. "mindless thesaurus" https://smartdefine.org/mindless/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2015, mindless thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/mindless/thesaurus/synonyms>.
MLASmart Define. "mindless thesaurus" 14 April 2015. Web. 22 September 2026. <https://smartdefine.org/mindless/thesaurus/synonyms>