- Definitions|2
- Thesaurus|4.6k
- Abbreviations|0
88 entries under adjective topic. ×
| unconvincing | |
| undetermined | |
| unlikely | |
| unresolved(uncertain, settled) | |
| unsafe(strong, secure) | |
| up in the air(expression, idiom, uncertain) | |
| conjectural | |
| faltering(unfaltering, convalescent, confirmable) | |
| outside(slight, slim, middle) | |
| provisional(tentative, contingent) | |
| quizzical | |
| shadowy | |
| slippery(uncertain, unreliable) | |
| aleatory | |
| as part of(single, alone, isolation, apart) | |
| borderline | |
| cloudy | |
| delusive | |
| dingy | |
| faulty |
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| APA | Smart Define. (2016). certain thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/certain/thesaurus/antonyms |
| Chicago | Smart Define. 2016. "certain thesaurus" https://smartdefine.org/certain/thesaurus/antonyms (accessed September 24, 2026). |
| Harvard | Smart Define 2016, certain thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/certain/thesaurus/antonyms>. |
| MLA | Smart Define. "certain thesaurus" 31 March 2016. Web. 24 September 2026. <https://smartdefine.org/certain/thesaurus/antonyms> |