Synonyms|536Antonyms|152|Broader|4Narrower|1Related|2.2k

60 entries under thick topic. ×

23
silly(adjective, dull, weak, simple, ability)
20
brainless(adjective, dull, weak, simple, ability)
17
senseless(adjective, dull, weak, simple, ability)
17
stupid(adjective, dull, weak, simple, slow)
15
mindless(adjective, dull, simple, ability, careless)
14
foolish(adjective, dull, weak, simple, ability)
13
simple(adjective, dull, weak, slow, silly)
12
idiotic(adjective, dull, weak, simple, slow)
12
moronic(adjective, dull, weak, simple, slow)
11
asinine(adjective, dull, weak, simple, silly)
11
unintelligent(adjective, dull, weak, simple, ability)
9
dull(adjective, simple, careless, silly, foolish)
9
dumb(adjective, dull, simple, slow, silly)
9
ignorant(adjective, simple, slow, silly, stupid)
9
nitwitted(adjective, simple, silly, foolish, stupid)
7
imbecile(adjective, dull, simple, silly, foolish)
7
inane(adjective, dull, simple, slow, careless)
7
insensate(adjective, dull, simple, ability, slow)
7
obtuse(adjective, dull, simple, slow, careless)
6
half-witted(adjective, dull, weak, simple, slow)
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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>