19 entries under adjective topic. ×
| impotent | |
| bogus | |
| feckless | |
| futile | |
| imperfect | |
| unavailable | |
| unavailing | |
| unserviceable | |
| untrue | |
| useless | |
| weak | |
| worthless | |
| dud | |
| inefficient | |
| infertile | |
| insincere | |
| spurious | |
| rotten | |
| nugatory |
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| APA | Smart Define. (2016). gem thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/gem/thesaurus/antonyms |
| Chicago | Smart Define. 2016. "gem thesaurus" https://smartdefine.org/gem/thesaurus/antonyms (accessed September 23, 2026). |
| Harvard | Smart Define 2016, gem thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/gem/thesaurus/antonyms>. |
| MLA | Smart Define. "gem thesaurus" 29 March 2016. Web. 23 September 2026. <https://smartdefine.org/gem/thesaurus/antonyms> |