| nonoperating | |
| nontoxic(simple, gentle, innocent, inoffensive, innocuous) | |
| nonutilitarian | |
| nonvalid | |
| nonvegetable(dull, cold, lifeless, nonliving, inorganic) | |
| not able(expression, weak, skill, unfit, inept) | |
| not applicable(adjective, inapplicable) | |
| not cut out for(expression, weak, skill, unfit, inept) | |
| not equal to(expression, weak, skill, unfit, inept) | |
| not up to(expression, weak, skill, unfit, inept) | |
| not viable(expression, adjective, meaningless, invalid, unsubstantiated) | |
| nugacious | |
| of no force(expression, idiom) | |
| of no use(expression, idiom, weak, stupid, idle) | |
| on hold(expression, adjective, dull, idle, sluggish) | |
| ossified(adjective, dull, idle, sluggish, lazy) | |
| otiose | |
| out of action(expression, adjective, idiom, dull, down) | |
| out of condition(expression, idiom) | |
| out of gear(expression, idiom) |
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Inoperative on
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| APA | Smart Define. (2016). inoperative thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/inoperative/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "inoperative thesaurus" https://smartdefine.org/inoperative/thesaurus/synonyms (accessed September 27, 2026). |
| Harvard | Smart Define 2016, inoperative thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/inoperative/thesaurus/synonyms>. |
| MLA | Smart Define. "inoperative thesaurus" 29 March 2016. Web. 27 September 2026. <https://smartdefine.org/inoperative/thesaurus/synonyms> |