31 entries under adjective topic. ×
| futile | |
| organic | |
| broken | |
| nonfunctional | |
| idle | |
| dysfunctional | |
| malfunctioning | |
| decorative | |
| fruitless | |
| ineffective | |
| abortive | |
| abstract | |
| empty | |
| hopeless | |
| theoretical | |
| unfunctional | |
| useless | |
| worthless | |
| constitutional | |
| inadequate |
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| APA | Smart Define. (2015). functional thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/functional/thesaurus/antonyms |
| Chicago | Smart Define. 2015. "functional thesaurus" https://smartdefine.org/functional/thesaurus/antonyms (accessed September 21, 2026). |
| Harvard | Smart Define 2015, functional thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/functional/thesaurus/antonyms>. |
| MLA | Smart Define. "functional thesaurus" 13 April 2015. Web. 21 September 2026. <https://smartdefine.org/functional/thesaurus/antonyms> |