- Definitions|1
- Thesaurus|1.2k
- Abbreviations|0
50 entries under silly topic. ×
| dizzy(adjective, slang, ability, careless) | |
| giddy(adjective, ability, careless, foolish) | |
| brainless(adjective, simple, slow, careless) | |
| frivolous(adjective, slight, ability, careless) | |
| featherbrained(adjective, slight, ability, careless) | |
| flighty(adjective, slight, ability, careless) | |
| stupid(adjective, simple, careless, indifferent) | |
| goofy(adjective, frivolous, dizzy, frothy) | |
| scatterbrained(adjective, ability, careless, foolish) | |
| foolish(adjective, slight, careless, indifferent) | |
| inane(adjective, slight, foolish, stupid) | |
| witless(adjective, careless, indifferent, foolish) | |
| dumb(adjective, simple, foolish, stupid) | |
| harebrained(adjective, ability, careless, foolish) | |
| simple(adjective, slight, foolish, stupid) | |
| gaga(adjective, ability, informal, careless) | |
| mindless(adjective, careless, foolish, stupid) | |
| thoughtless(adjective, careless, indifferent, stupid) | |
| idiotic(adjective, foolish, stupid, trivial) | |
| moronic(adjective, foolish, stupid) |
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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> |