| unoccupied(adjective, dull, idle, sluggish, lazy) | |
| valueless(adjective, weak, stupid, idle, useless) | |
| acarpous | |
| asleep(adjective, calm, dull, gentle, still) | |
| bad(adjective, false, unreasonable, unsound, unacceptable) | |
| bust | |
| counterproductive(weak, stupid, idle, useless, incompetent) | |
| defective(adjective, ineffectual) | |
| disabled | |
| down(adjective, dull, idle, sluggish, lazy) | |
| expired | |
| faulty(adjective, ineffectual) | |
| feckless(weak, stupid, inferior, idle, inadequate) | |
| impotent(weak, skill, inferior, inadequate, feeble) | |
| impracticable(adjective, weak, stupid, idle, useless) | |
| in disrepair | |
| infertile | |
| insufficient(adjective, inutility) | |
| inutile(adjective, weak, stupid, idle, useless) | |
| jobless(adjective, dull, idle, sluggish, lazy) |
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| APA | Smart Define. (2016). inoperative thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/inoperative/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "inoperative thesaurus" https://smartdefine.org/inoperative/thesaurus/synonyms (accessed September 26, 2026). |
| Harvard | Smart Define 2016, inoperative thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/inoperative/thesaurus/synonyms>. |
| MLA | Smart Define. "inoperative thesaurus" 29 March 2016. Web. 26 September 2026. <https://smartdefine.org/inoperative/thesaurus/synonyms> |