15 entries under slow topic. ×
| feeble(adjective, strong, fit, inadequate) | |
| inept(adjective, inadequate, expert, incompetent) | |
| unable(adjective, strong, fit, skill) | |
| powerless(adjective, weak, powerful, inadequate) | |
| weak(adjective, firm, powerful, healthy) | |
| useless(adjective, inadequate) | |
| delicate(adjective, inadequate) | |
| ineffective(adjective, strong, fit, inadequate) | |
| stupid(adjective, inadequate) | |
| infirm(adjective, inadequate) | |
| unskilled(adjective, inadequate) | |
| inadequate(adjective, incompetent, insufficient, defective) | |
| unintelligent(adjective, inadequate) | |
| unsuitable(adjective, appropriate, inadequate) | |
| disinclined(adjective, inadequate) |
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| APA | Smart Define. (2016). able thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/able/thesaurus/antonyms |
| Chicago | Smart Define. 2016. "able thesaurus" https://smartdefine.org/able/thesaurus/antonyms (accessed September 22, 2026). |
| Harvard | Smart Define 2016, able thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/able/thesaurus/antonyms>. |
| MLA | Smart Define. "able thesaurus" 14 March 2016. Web. 22 September 2026. <https://smartdefine.org/able/thesaurus/antonyms> |