287 entries under adjective topic. ×
| subdued(quiet, soft, low) | |
| crackpot(foolish, impractical, half-baked, doomed) | |
| faint(quiet, soft, still, shaky) | |
| heavy(dull, silly, stupid, impassive) | |
| laughable(dull, unintelligent, witless) | |
| noiseless(close, quiet, soft, low) | |
| bone-headed | |
| clammed up(verb, expression, phrasal verb, close) | |
| crass | |
| credulous(silly, stupid, green, fat) | |
| dippy | |
| hare-brained | |
| hush(verb, calm, dull, close) | |
| hushed(close, quiet, soft, low) | |
| inexperienced(silly, stupid, green, fat) | |
| leaden | |
| lunatic(foolish, crazy, insane, unintelligent) | |
| meekest(calm, quiet, humble, shy) | |
| mousy(quiet, soft, still, speak) | |
| muffled(close, quiet, soft, low) |
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| APA | Smart Define. (2016). dumb thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/dumb/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "dumb thesaurus" https://smartdefine.org/dumb/thesaurus/synonyms (accessed September 25, 2026). |
| Harvard | Smart Define 2016, dumb thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/dumb/thesaurus/synonyms>. |
| MLA | Smart Define. "dumb thesaurus" 29 March 2016. Web. 25 September 2026. <https://smartdefine.org/dumb/thesaurus/synonyms> |