- Definitions|1
- Thesaurus|140
- Abbreviations|0
| bungler | |
| clown | |
| coot | |
| crackpot(noun, mad, schizophrenic, maniac) | |
| crank(noun, mad, schizophrenic, maniac) | |
| dement(worrier, nutter, valetudinary) | |
| dingbat | |
| dippy type | |
| dunderhead | |
| flake(noun, mad, schizophrenic, maniac) | |
| fluffhead | |
| head case(expression, worrier, nutter, valetudinary) | |
| hypochondriac(worrier, nutter, valetudinary) | |
| hypochrondriast(worrier, nutter, valetudinary) | |
| insane person(expression, worrier, nutter, valetudinary) | |
| joker | |
| kook(noun, mad, schizophrenic, maniac) | |
| light minded(expression, idiom) | |
| loggerhead | |
| loon(noun, mad, schizophrenic, maniac) |
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| APA | Smart Define. (2015). scatterbrain thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/scatterbrain/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "scatterbrain thesaurus" https://smartdefine.org/scatterbrain/thesaurus/synonyms (accessed September 23, 2026). |
| Harvard | Smart Define 2015, scatterbrain thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/scatterbrain/thesaurus/synonyms>. |
| MLA | Smart Define. "scatterbrain thesaurus" 13 April 2015. Web. 23 September 2026. <https://smartdefine.org/scatterbrain/thesaurus/synonyms> |