106 entries under silly topic. ×

1
incautious(weak, simple, foolish, thoughtless)
1
inexperienced(adjective, stupid, innocent, green)
1
lamebrained(careless, stupid, unthinking, unintelligent)
1
meaningless(dull, foolish, stupid, senseless)
1
neglectful(adjective, careless, foolish, stupid)
1
negligent(adjective, careless, foolish, thoughtless)
1
nerdy(weak, simple, foolish, thoughtless)
1
oblivious(adjective, careless, foolish, innocent)
1
puerile(dull, careless, stupid, unthinking)
1
thick-headed(dull, foolish, stupid, unintelligent)
1
uneducated(adjective, stupid, innocent, green)
0
dimwitted(adjective, stupid, green, fat)
0
eccentric(foolish, impractical, half-baked, doomed)
0
fat(adjective, stupid, green, thick)
0
feeble(adjective, stupid, green, fat)
0
forgetful(adjective, foolish, senseless, unnecessary)
0
gratuitous(adjective, foolish, senseless, unnecessary)
0
inexpert(adjective, stupid, green, fat)
0
mentally handicapped(expression, foolish, stupid)
0
mooning(adjective, foolish, senseless, unnecessary)
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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>