23 entries under adjective topic. ×
| dysfunctional(work, feature, state, function) | |
| useless(sensible, useful, valuable, working) | |
| unserviceable | |
| unusable | |
| unworkable | |
| impractical | |
| inoperable | |
| impossible | |
| impracticable | |
| ineffectual | |
| inoperative | |
| unrealistic | |
| bad | |
| directionless | |
| good-for-nothing | |
| inapplicable | |
| inappropriate | |
| needless | |
| unavailable | |
| unfit |
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Usable on
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| APA | Smart Define. (2015). usable thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/usable/thesaurus/antonyms |
| Chicago | Smart Define. 2015. "usable thesaurus" https://smartdefine.org/usable/thesaurus/antonyms (accessed September 22, 2026). |
| Harvard | Smart Define 2015, usable thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/usable/thesaurus/antonyms>. |
| MLA | Smart Define. "usable thesaurus" 14 April 2015. Web. 22 September 2026. <https://smartdefine.org/usable/thesaurus/antonyms> |