- Definitions|2
- Thesaurus|2.6k
- Abbreviations|0
64 entries under adjective topic. ×
| worthwhile(strong, fit, successful) | |
| adequate(strong, fit, successful) | |
| capable(strong, fit, successful) | |
| good | |
| influential(powerful, effective) | |
| operative(active, passive, influential, functioning) | |
| persuasive(effective, influential) | |
| sufficient(strong, fit, successful) | |
| adroit | |
| alive | |
| available | |
| dexterous(strong, fit, successful) | |
| energetic | |
| expert(strong, fit, successful) | |
| robust(weak, small) | |
| skillful(strong, fit, successful) | |
| valid | |
| vigorous(dull, weak, feeble) | |
| apposite | |
| authentic |
For more, visit
Ineffective on
Power Thesaurus
| APA | Smart Define. (2016). ineffective thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/ineffective/thesaurus/antonyms |
| Chicago | Smart Define. 2016. "ineffective thesaurus" https://smartdefine.org/ineffective/thesaurus/antonyms (accessed September 25, 2026). |
| Harvard | Smart Define 2016, ineffective thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/ineffective/thesaurus/antonyms>. |
| MLA | Smart Define. "ineffective thesaurus" 29 March 2016. Web. 25 September 2026. <https://smartdefine.org/ineffective/thesaurus/antonyms> |