58 entries under idiom topic. ×
| free spirit(noun, expression, radical, rebel) | |
| eccentric person(noun, expression) | |
| off the wall(expression, adjective, beat, unusual) | |
| non compos mentis(noun, expression, adjective, crazy) | |
| of unsound mind(expression, adjective, silly, foolish) | |
| mentally ill(expression, off, dotty) | |
| round the bend(expression, silly, foolish, unwise) | |
| beyond all reason(expression, silly, foolish, fantastic) | |
| fast and loose | |
| fly ball(expression, unusual, strange, unexpected) | |
| mad as a hatter(expression, silly, foolish, unwise) | |
| not all there(expression, adjective, crazy, unstable) | |
| not tightly wrapped(expression, strange, crazy, absurd) | |
| nutty as fruitcake(expression, silly, foolish, unwise) | |
| out in left field(expression, adjective, beat, unusual) | |
| out of all reason(expression, silly, foolish, fantastic) | |
| out of keeping(expression, unconformity) | |
| out of order(expression, unreliable, uneven, variable) | |
| out of the ordinary(expression, unusual, strange, new) | |
| out of tune(expression, unconformity) |
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| APA | Smart Define. (2016). eccentric thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/eccentric/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "eccentric thesaurus" https://smartdefine.org/eccentric/thesaurus/synonyms (accessed September 24, 2026). |
| Harvard | Smart Define 2016, eccentric thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/eccentric/thesaurus/synonyms>. |
| MLA | Smart Define. "eccentric thesaurus" 30 March 2016. Web. 24 September 2026. <https://smartdefine.org/eccentric/thesaurus/synonyms> |