- Definitions|0
- Thesaurus|147
- Abbreviations|0
| newfangled contraption(expression, fanatic, dingbat, ultraist) | |
| newfangledness(fanatic, dingbat, ultraist) | |
| no good(expression, bungler, bumbler, fumbler) | |
| non compos mentis(noun, expression, idiom, crazy, nut) | |
| nonperformer(bungler, bumbler, fumbler) | |
| novelty(fanatic, dingbat, ultraist) | |
| nut case(expression, fanatic, lamebrain, schizoid, dingbat) | |
| nutcase | |
| overenthusiastic person(noun, expression, crazy, loony, dement) | |
| recentness(fanatic, dingbat, ultraist) | |
| ultraist(fanatic, dingbat) | |
| underachiever(bungler, bumbler, fumbler) | |
| wack | |
| wacko(fanatic, lamebrain, schizoid, dingbat, ultraist) | |
| weirdo | |
| zealot(noun, crazy, loony) |
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| APA | Smart Define. (2015). harebrain thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/harebrain/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "harebrain thesaurus" https://smartdefine.org/harebrain/thesaurus/synonyms (accessed September 21, 2026). |
| Harvard | Smart Define 2015, harebrain thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/harebrain/thesaurus/synonyms>. |
| MLA | Smart Define. "harebrain thesaurus" 10 April 2015. Web. 21 September 2026. <https://smartdefine.org/harebrain/thesaurus/synonyms> |