- Definitions|2
- Thesaurus|3.3k
- Abbreviations|0
| valuable(adjective, sensible, important, useful, inexpensive) | |
| desirable | |
| effective(adjective, weak, sensible, inadequate, useful) | |
| useful(adjective, bad, sensible, awkward, valuable) | |
| impactful | |
| electable | |
| usable(adjective, sensible, useful, working, available) | |
| adequate(adjective, poor, insufficient, able, enough) | |
| competent | |
| utilitarian | |
| able(adjective, slow, inadequate, performing, having) | |
| beneficial(adjective, bad, disagreeable) | |
| desired | |
| efficient | |
| helpful(adjective, cool, sensible, cold, useful) | |
| multipurpose | |
| mutually beneficial | |
| profitable(adjective, sensible, useful, unprofitable) | |
| symbiotic | |
| serviceable |
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| APA | Smart Define. (2016). useless thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/useless/thesaurus/antonyms |
| Chicago | Smart Define. 2016. "useless thesaurus" https://smartdefine.org/useless/thesaurus/antonyms (accessed September 23, 2026). |
| Harvard | Smart Define 2016, useless thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/useless/thesaurus/antonyms>. |
| MLA | Smart Define. "useless thesaurus" 29 March 2016. Web. 23 September 2026. <https://smartdefine.org/useless/thesaurus/antonyms> |