94 entries under idiom topic. ×
| under the weather(expression, adjective, adverb, weak) | |
| out of sorts(expression, adjective, disease, ill) | |
| in poor health(expression, adjective, mean, bad) | |
| not all there(expression, crazy, crackers) | |
| taken ill(expression, disease) | |
| all torn up(expression, adjective, hurt, low) | |
| be ill | |
| bereft of reason | |
| crazy as a loon(expression, crazy, crackers) | |
| deprived of reason | |
| feeling something terrible | |
| foaming at the mouth(expression, adjective, enthusiastic, ill) | |
| good and tired | |
| in a bad way(expression, adjective, mean, bad) | |
| non compos mentis | |
| not quite right | |
| not so hot(expression, adjective, mean, bad) | |
| nutty as a fruitcake(expression, crazy) | |
| of unsound mind | |
| on a downer(expression, adjective, sad, unhappy) |
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| APA | Smart Define. (2016). sick thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/sick/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "sick thesaurus" https://smartdefine.org/sick/thesaurus/synonyms (accessed September 24, 2026). |
| Harvard | Smart Define 2016, sick thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/sick/thesaurus/synonyms>. |
| MLA | Smart Define. "sick thesaurus" 3 April 2016. Web. 24 September 2026. <https://smartdefine.org/sick/thesaurus/synonyms> |