49 entries under idiom topic. ×
| null and void(expression, adjective, unsound, worthless) | |
| sick person(noun, expression, case, subject) | |
| in poor health(expression, adjective, mean, sick) | |
| disabled person | |
| not following(expression, reasoning) | |
| contrary to fact(expression, adjective, wrong, fake) | |
| contrary to reason | |
| in a bad way(expression, mean, weak, green) | |
| not so hot(expression, mean, weak, green) | |
| of no force | |
| off the mark(expression, adjective, wrong, fake) | |
| out of action(expression, adjective, sick, unfit) | |
| reduced in health | |
| sick as a dog(expression, mean, sick, green) | |
| under the weather(expression, mean, sick, green) | |
| with low resistance | |
| along in years(expression, enervated, senescent, irresilient) | |
| diseased person | |
| full of hot air(expression, irrational, arbitrary, perverse) | |
| gone to seed(expression, unhealthy, unfit, enervated) |
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| APA | Smart Define. (2016). invalid thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/invalid/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "invalid thesaurus" https://smartdefine.org/invalid/thesaurus/synonyms (accessed September 21, 2026). |
| Harvard | Smart Define 2016, invalid thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/invalid/thesaurus/synonyms>. |
| MLA | Smart Define. "invalid thesaurus" 29 March 2016. Web. 21 September 2026. <https://smartdefine.org/invalid/thesaurus/synonyms> |