10 entries under strong topic. ×
| feeble(adjective, fit, ineffective) | |
| ineffective(adjective, fit, useless, successful) | |
| impotent(adjective, weak, inadequate, competent) | |
| incapable(adjective, weak, fit, inadequate) | |
| incompetent(adjective, weak, inadequate, qualified) | |
| dependent(adjective, power, valid, legal) | |
| purportless | |
| sapless | |
| uncareful | |
| uncool |
For more, visit
Effective on
Power Thesaurus
| APA | Smart Define. (2015). effective thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/effective/thesaurus/antonyms |
| Chicago | Smart Define. 2015. "effective thesaurus" https://smartdefine.org/effective/thesaurus/antonyms (accessed September 23, 2026). |
| Harvard | Smart Define 2015, effective thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/effective/thesaurus/antonyms>. |
| MLA | Smart Define. "effective thesaurus" 10 April 2015. Web. 23 September 2026. <https://smartdefine.org/effective/thesaurus/antonyms> |