- Definitions|1
- Thesaurus|1.2k
- Abbreviations|0
110 entries under adjective topic. ×
| silly(slight, ability, foolish, stupid) | |
| dizzy(slang, ability, careless, silly) | |
| giddy(ability, careless, silly, foolish) | |
| brainless(simple, slow, careless, silly) | |
| frivolous(slight, ability, careless, silly) | |
| fatuous | |
| featherbrained(slight, ability, careless, silly) | |
| flighty(slight, ability, careless, silly) | |
| stupid(simple, careless, indifferent, silly) | |
| goofy(silly, frivolous, dizzy, frothy) | |
| scatterbrained(ability, careless, silly, foolish) | |
| foolish(slight, careless, indifferent, silly) | |
| inane(slight, silly, foolish, stupid) | |
| uneducated(knowledge, ignorant, scatterbrained, untaught) | |
| unintelligent(simple, slight, indifferent, foolish) | |
| vacant(full, thoughtless, expressionless, scatterbrained) | |
| vacuous(careless, indifferent, stupid, full) | |
| witless(careless, indifferent, silly, foolish) | |
| dumb(simple, silly, foolish, stupid) | |
| harebrained(ability, careless, silly, foolish) |
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| APA | Smart Define. (2015). empty-headed thesaurus. Retrieved September 21, 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 21, 2026). |
| Harvard | Smart Define 2015, empty-headed thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/empty-headed/thesaurus/synonyms>. |
| MLA | Smart Define. "empty-headed thesaurus" 10 April 2015. Web. 21 September 2026. <https://smartdefine.org/empty-headed/thesaurus/synonyms> |