20 entries under adjective topic. ×
| dud | |
| bogus | |
| feckless | |
| futile | |
| imperfect | |
| impotent | |
| inefficient | |
| infertile | |
| insincere | |
| nugatory | |
| powerless | |
| rotten | |
| spurious | |
| unavailable | |
| unavailing | |
| unserviceable | |
| untrue | |
| useless | |
| weak | |
| worthless |
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| APA | Smart Define. (2015). smash thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/smash/thesaurus/antonyms |
| Chicago | Smart Define. 2015. "smash thesaurus" https://smartdefine.org/smash/thesaurus/antonyms (accessed September 27, 2026). |
| Harvard | Smart Define 2015, smash thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/smash/thesaurus/antonyms>. |
| MLA | Smart Define. "smash thesaurus" 23 December 2015. Web. 27 September 2026. <https://smartdefine.org/smash/thesaurus/antonyms> |