- Definitions|1
- Thesaurus|2.6k
- Abbreviations|0
128 entries under adjective topic. ×
| crazy(weak, simple, knowledge, ability) | |
| silly(weak, simple, knowledge, ability) | |
| insane(weak, simple, knowledge, ability) | |
| frivolous(ability, careless, excited, silly) | |
| dizzy(slang, ability, careless, excited) | |
| foolish(weak, simple, knowledge, ability) | |
| flighty(ability, careless, excited, silly) | |
| goofy(silly, foolish, fantastic, unwise) | |
| mad(weak, simple, knowledge, ability) | |
| absurd(weak, simple, knowledge, ability) | |
| empty-headed(ability, careless, silly, foolish) | |
| loony(weak, simple, knowledge, ability) | |
| preposterous(weak, great, simple, knowledge) | |
| foolhardy(careless, foolish, fantastic, thoughtless) | |
| giddy(ability, careless, excited, silly) | |
| rash(careless, wild, silly, foolish) | |
| scatterbrained(ability, careless, silly, foolish) | |
| balmy(knowledge, slang, ability, wild) | |
| dippy(weak, simple, knowledge, slang) | |
| featherbrained(ability, careless, silly, foolish) |
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| APA | Smart Define. (2015). harebrained thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/harebrained/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "harebrained thesaurus" https://smartdefine.org/harebrained/thesaurus/synonyms (accessed September 21, 2026). |
| Harvard | Smart Define 2015, harebrained thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/harebrained/thesaurus/synonyms>. |
| MLA | Smart Define. "harebrained thesaurus" 14 April 2015. Web. 21 September 2026. <https://smartdefine.org/harebrained/thesaurus/synonyms> |