- Definitions|2
- Thesaurus|4.1k
- Abbreviations|0
| meet(adjective, inadequate, unfit, fitting) | |
| moral(adjective, right, reasonable) | |
| respectable(adjective, insufficient) | |
| timely | |
| adequate | |
| apposite | |
| becoming | |
| comely | |
| congruous | |
| convenient | |
| decorous | |
| due(adjective, appropriate, proper, immoral, settled) | |
| formal(adjective, right, reasonable) | |
| ok(adjective, right, reasonable) | |
| opportune | |
| prim | |
| relatable(adjective, useless, unfit) | |
| relevant(adjective, insignificant, unrelated) | |
| seasonable | |
| seemly |
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| APA | Smart Define. (2016). improper thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/improper/thesaurus/antonyms |
| Chicago | Smart Define. 2016. "improper thesaurus" https://smartdefine.org/improper/thesaurus/antonyms (accessed September 22, 2026). |
| Harvard | Smart Define 2016, improper thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/improper/thesaurus/antonyms>. |
| MLA | Smart Define. "improper thesaurus" 29 March 2016. Web. 22 September 2026. <https://smartdefine.org/improper/thesaurus/antonyms> |