52 entries under adjective topic. ×
| ineffectual | |
| nugatory | |
| unavailing | |
| unprofitable | |
| unsubstantial | |
| worthless | |
| airy | |
| broken | |
| decorative | |
| delicate | |
| feckless | |
| feeble | |
| helpless | |
| idle | |
| impotent | |
| inoperative | |
| inutile | |
| light | |
| needless | |
| pointless |
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| APA | Smart Define. (2016). serviceable thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/serviceable/thesaurus/antonyms |
| Chicago | Smart Define. 2016. "serviceable thesaurus" https://smartdefine.org/serviceable/thesaurus/antonyms (accessed September 25, 2026). |
| Harvard | Smart Define 2016, serviceable thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/serviceable/thesaurus/antonyms>. |
| MLA | Smart Define. "serviceable thesaurus" 11 March 2016. Web. 25 September 2026. <https://smartdefine.org/serviceable/thesaurus/antonyms> |