- Definitions|0
- Thesaurus|1k
- Abbreviations|1
| bubbleheaded | |
| chuckleheaded | |
| dead | |
| dense | |
| diffuse(adjective, ignore, forget, vague, absent) | |
| dim-witted | |
| disoriented(adjective, ignore, forget, vague, absent) | |
| dissipated(adjective, ignore, forget, vague, absent) | |
| distrait(adjective, ignore, forget, vague, absent) | |
| dorky | |
| dunderheaded | |
| erratic(adjective, ignore, forget, vague, absent) | |
| fatuous | |
| fool | |
| forgetful(adjective, ignore, forget, vague, absent) | |
| gormless | |
| hare-brained(adjective, ignore, forget, vague, absent) | |
| idiot | |
| idiotic | |
| imbecile |
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| APA | Smart Define. (2016). brain-dead thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/brain-dead/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "brain-dead thesaurus" https://smartdefine.org/brain-dead/thesaurus/synonyms (accessed September 22, 2026). |
| Harvard | Smart Define 2016, brain-dead thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/brain-dead/thesaurus/synonyms>. |
| MLA | Smart Define. "brain-dead thesaurus" 24 March 2016. Web. 22 September 2026. <https://smartdefine.org/brain-dead/thesaurus/synonyms> |