- Definitions|1
- Thesaurus|2.6k
- Abbreviations|0
128 entries under adjective topic. ×
| gaga(ability, informal, careless, foolish) | |
| idiotic(weak, simple, knowledge, ability) | |
| inane(careless, silly, foolish, stupid) | |
| madcap(noun, careless, wild, silly) | |
| reckless(careless, wild, silly, foolish) | |
| tomfool(knowledge, ability, foolish) | |
| wild(careless, foolish, fantastic, thoughtless) | |
| witless(weak, simple, silly, foolish) | |
| adventurous(careless, wild, bold, thoughtless) | |
| cockeyed(knowledge, ability, informal, extraordinary) | |
| half-baked(weak, simple, foolish, stupid) | |
| heedless(careless, wild, silly, stupid) | |
| nutty(weak, simple, wild, silly) | |
| ridiculous(weak, simple, wild, strange) | |
| sappy(knowledge, slang, ability) | |
| skittish | |
| wacky(weak, simple, knowledge, slang) | |
| birdbrained(slang, ability, foolish, crazy) | |
| brainless(weak, simple, careless, silly) | |
| careless(wrong, wild, foolish, stupid) |
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| APA | Smart Define. (2015). harebrained thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/harebrained/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "harebrained thesaurus" https://smartdefine.org/harebrained/thesaurus/synonyms (accessed September 22, 2026). |
| Harvard | Smart Define 2015, harebrained thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/harebrained/thesaurus/synonyms>. |
| MLA | Smart Define. "harebrained thesaurus" 14 April 2015. Web. 22 September 2026. <https://smartdefine.org/harebrained/thesaurus/synonyms> |