- Definitions|1
- Thesaurus|1k
- Abbreviations|0
22 entries under careless topic. ×
| dizzy(adjective, slang, ability, silly) | |
| empty-headed(adjective, slight, ability, silly) | |
| frivolous(adjective, slight, ability, silly) | |
| giddy(adjective, simple, ability, silly) | |
| harebrained(adjective, ability, silly, foolish) | |
| flighty(adjective, slight, ability, silly) | |
| brainless(adjective, simple, foolish, stupid) | |
| gaga(adjective, ability, informal, foolish) | |
| frothy(adjective, slight, ability, trivial) | |
| capricious(adjective, unstable, unreliable, changeable) | |
| fickle(adjective, foolish, unstable, faint) | |
| bubbleheaded(adjective, unstable, unreliable, changeable) | |
| changeable(adjective, wild, foolish, stupid) | |
| ditzy(adjective, inconstant, giddy) | |
| inconstant(adjective, unstable, unreliable, changeable) | |
| bemused(adjective, inconstant, giddy) | |
| changeful(adjective, inconstant, giddy) | |
| erratic(adjective, unreliable, changeable, variable) | |
| flustered(adjective, inconstant, giddy) | |
| heedless(adjective, wild, stupid, unthinking) |
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| APA | Smart Define. (2015). featherbrained thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/featherbrained/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "featherbrained thesaurus" https://smartdefine.org/featherbrained/thesaurus/synonyms (accessed September 20, 2026). |
| Harvard | Smart Define 2015, featherbrained thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/featherbrained/thesaurus/synonyms>. |
| MLA | Smart Define. "featherbrained thesaurus" 14 April 2015. Web. 20 September 2026. <https://smartdefine.org/featherbrained/thesaurus/synonyms> |