77 entries under dull topic. ×
| half-witted(adjective, simple, slow, silly) | |
| inane(adjective, simple, slow, silly) | |
| nonsensical(ridiculous, absurd, outrageous, unintelligent) | |
| senseless(adjective, simple, slow, silly) | |
| sooty(adjective, dirty, gray, dense) | |
| unclear(adjective, obscure, doubtful, dim) | |
| fumy(adjective, obscure, dim, vague) | |
| gullible(adjective, simple, slow, silly) | |
| half-baked(adjective, simple, slow, foolish) | |
| insensate(adjective, simple, slow, silly) | |
| laughable(ridiculous, absurd, outrageous, unintelligent) | |
| ludicrous(foolish, stupid, absurd, outrageous) | |
| naive(adjective, simple, foolish, innocent) | |
| numskulled(adjective, simple, slow, stupid) | |
| sluggish(adjective, simple, slow, silly) | |
| boorish(adjective, slow, stupid) | |
| dazed(unintelligent, witless) | |
| dummy(unintelligent, witless) | |
| futile(unintelligent, witless) | |
| ill-advised(unintelligent, witless) |
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| APA | Smart Define. (2016). thick thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/thick/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "thick thesaurus" https://smartdefine.org/thick/thesaurus/synonyms (accessed September 25, 2026). |
| Harvard | Smart Define 2016, thick thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/thick/thesaurus/synonyms>. |
| MLA | Smart Define. "thick thesaurus" 26 February 2016. Web. 25 September 2026. <https://smartdefine.org/thick/thesaurus/synonyms> |