- Definitions|2
- Thesaurus|2k
- Abbreviations|0
170 entries under adjective topic. ×
| vacuous(dull, simple, slow, stupid) | |
| besotted(simple, slow, stupid, boring) | |
| bird-brained | |
| blank | |
| bubbleheaded(careless, silly, unsteady, inconstant) | |
| credulous(silly, stupid, green, fat) | |
| cretinous | |
| dazed(dull, simple, slow, stupid) | |
| feather-brained | |
| flighty(simple, careless, foolish, stupid) | |
| gormless | |
| halfwitted | |
| indiscreet(dull, weak, simple, silly) | |
| jackass(noun, foolish) | |
| laughable(dull, unintelligent, witless) | |
| lumpish | |
| nitwit(noun, foolish) | |
| nitwitted(simple, silly, foolish, stupid) | |
| not bright(expression, simple, slow, stupid) | |
| preposterous(weak, simple, silly, foolish) |
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| APA | Smart Define. (2016). brainless thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/brainless/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "brainless thesaurus" https://smartdefine.org/brainless/thesaurus/synonyms (accessed September 23, 2026). |
| Harvard | Smart Define 2016, brainless thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/brainless/thesaurus/synonyms>. |
| MLA | Smart Define. "brainless thesaurus" 24 March 2016. Web. 23 September 2026. <https://smartdefine.org/brainless/thesaurus/synonyms> |