106 entries under silly topic. ×

4
dotty(adjective, weak, simple, foolish)
4
ill-considered(adjective, weak, simple, careless)
4
jerky(adjective, weak, simple, foolish)
4
kooky(adjective, weak, simple, foolish)
4
ludicrous(adjective, dull, weak, simple)
4
rash(adjective, dull, careless, foolish)
4
ridiculous(adjective, weak, simple, foolish)
4
unreasonable(adjective, weak, simple, careless)
4
zany(adjective, weak, simple, informal)
3
dopey(adjective, dull, simple, foolish)
3
pointless(adjective, dull, foolish, stupid)
3
shallow(adjective, simple, slow, stupid)
3
simple-minded(adjective, simple, slow, foolish)
3
slow(adjective, dull, simple, foolish)
3
weak(simple, foolish, thoughtless, unwise)
2
cockamamy(adjective, foolish, thoughtless, unwise)
2
credulous(adjective, stupid, green, fat)
2
deficient(adjective, dull, foolish, stupid)
2
deranged(simple, foolish, stupid, unsound)
2
feebleminded(adjective, weak, simple, foolish)
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APASmart Define. (2015). witless thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/witless/thesaurus/synonyms
ChicagoSmart Define. 2015. "witless thesaurus" https://smartdefine.org/witless/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2015, witless thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/witless/thesaurus/synonyms>.
MLASmart Define. "witless thesaurus" 10 April 2015. Web. 23 September 2026. <https://smartdefine.org/witless/thesaurus/synonyms>