76 entries under simple topic. ×

2
injudicious(weak, careless, silly, foolish)
2
not bright(expression, adjective, slow, stupid)
2
preposterous(weak, silly, foolish, thoughtless)
2
short-sighted(adjective, weak, silly, foolish)
2
unsound(silly, foolish, rash, risky)
2
vacuous(adjective, dull, slow, careless)
1
backward(adjective, slow, silly, foolish)
1
fantastic(weak, silly, foolish, thoughtless)
1
gullible(adjective, dull, slow, silly)
1
incautious(weak, silly, foolish, thoughtless)
1
naive(adjective, dull, foolish, innocent)
1
nerdy(weak, silly, foolish, thoughtless)
1
numskulled(adjective, slow, stupid, boring)
1
sluggish(adjective, dull, slow, stupid)
0
indolent(adjective, slow, stupid, boring)
0
wearisome(adjective, slow, stupid, boring)
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APASmart Define. (2015). witless thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/witless/thesaurus/synonyms
ChicagoSmart Define. 2015. "witless thesaurus" https://smartdefine.org/witless/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2015, witless thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/witless/thesaurus/synonyms>.
MLASmart Define. "witless thesaurus" 10 April 2015. Web. 22 September 2026. <https://smartdefine.org/witless/thesaurus/synonyms>