- Definitions|1
- Thesaurus|1.2k
- Abbreviations|0
110 entries under adjective topic. ×
| unreasonable(careless, stupid, thoughtless, absurd) | |
| unschooled(ignorant, scatterbrained, untaught, flighty) | |
| weak-minded | |
| birdbrained(slang, ability) | |
| bubbleheaded(careless, silly, unstable, unreliable) | |
| feather-headed | |
| frothy(slight, ability, careless, trivial) | |
| gormless | |
| imbecile | |
| lighthearted | |
| lumpish | |
| shallow(ignorant, unintelligent) | |
| skittish(scatterbrained, flighty) | |
| stolid | |
| thick-witted | |
| absent-minded(careless, stupid, vague, unthinking) | |
| bemused(careless, silly, unsteady, inconstant) | |
| bovine(careless, stupid, unthinking, obtuse) | |
| capricious(careless, silly, unstable, unreliable) | |
| careless(wild, foolish, stupid, vague) |
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| APA | Smart Define. (2015). empty-headed thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/empty-headed/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "empty-headed thesaurus" https://smartdefine.org/empty-headed/thesaurus/synonyms (accessed September 23, 2026). |
| Harvard | Smart Define 2015, empty-headed thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/empty-headed/thesaurus/synonyms>. |
| MLA | Smart Define. "empty-headed thesaurus" 10 April 2015. Web. 23 September 2026. <https://smartdefine.org/empty-headed/thesaurus/synonyms> |