58 entries under idiom topic. ×
| first and last(expression, unity) | |
| off the wall(expression, adjective, beat, unusual) | |
| of unsound mind(expression, silly, foolish, unwise) | |
| one and only(expression, adjective, separate, special) | |
| bereft of reason | |
| deprived of reason | |
| non compos mentis | |
| not all there | |
| out of proportion | |
| over and above(verb, expression, adjective, phrasal verb) | |
| behind the times(expression, out, old, primitive) | |
| beyond all reason(expression, silly, foolish, fantastic) | |
| breaking new ground(expression, strange, new, fresh) | |
| lacking a mate | |
| missing a mate | |
| not tightly wrapped(expression, strange, crazy, absurd) | |
| not with it(expression, out, old, primitive) | |
| nutty as fruitcake(expression, silly, foolish, unwise) | |
| of olden days(expression, out, old, primitive) | |
| of the old school(expression, out, old, primitive) |
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| APA | Smart Define. (2016). odd thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/odd/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "odd thesaurus" https://smartdefine.org/odd/thesaurus/synonyms (accessed September 21, 2026). |
| Harvard | Smart Define 2016, odd thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/odd/thesaurus/synonyms>. |
| MLA | Smart Define. "odd thesaurus" 30 March 2016. Web. 21 September 2026. <https://smartdefine.org/odd/thesaurus/synonyms> |