- Definitions|2
- Thesaurus|1.4k
- Abbreviations|0
50 entries under adjective topic. ×
| inapplicable | |
| incongruent | |
| indecorous | |
| inept | |
| infelicitous | |
| irrelevant | |
| premature | |
| unbecoming | |
| adverse | |
| awkward | |
| embarrassing | |
| impertinent | |
| importunate | |
| inadequate | |
| inadvertent | |
| indecent | |
| ineligible | |
| inexpedient | |
| misplaced | |
| timeless |
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| APA | Smart Define. (2016). opportune thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/opportune/thesaurus/antonyms |
| Chicago | Smart Define. 2016. "opportune thesaurus" https://smartdefine.org/opportune/thesaurus/antonyms (accessed September 27, 2026). |
| Harvard | Smart Define 2016, opportune thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/opportune/thesaurus/antonyms>. |
| MLA | Smart Define. "opportune thesaurus" 29 March 2016. Web. 27 September 2026. <https://smartdefine.org/opportune/thesaurus/antonyms> |