- Definitions|1
- Thesaurus|1.7k
- Abbreviations|0
67 entries under adjective topic. ×
| certain(clear, confident, valid, undoubtable) | |
| confident(weak, certain, timid, assured) | |
| sure(clear, certain, stable, definite) | |
| self-confident | |
| definite(clear, obscure, certain, doubtful) | |
| decisive | |
| determined(clear, certain) | |
| resolute | |
| undoubted(clear, certain, doubtful, undisputed) | |
| positive(certain, definite) | |
| dependable(weak, unreliable) | |
| inevitable(certain, distant) | |
| secure(clear, weak, soft, certain) | |
| unfailing(certain, unchanging) | |
| categorical | |
| indisputable | |
| irrefutable | |
| reliable(bad, weak, undependable) | |
| safe(insecure, irresponsible) | |
| self-possessed(calm, nervous) |
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| APA | Smart Define. (2016). unsure thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/unsure/thesaurus/antonyms |
| Chicago | Smart Define. 2016. "unsure thesaurus" https://smartdefine.org/unsure/thesaurus/antonyms (accessed September 26, 2026). |
| Harvard | Smart Define 2016, unsure thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/unsure/thesaurus/antonyms>. |
| MLA | Smart Define. "unsure thesaurus" 24 March 2016. Web. 26 September 2026. <https://smartdefine.org/unsure/thesaurus/antonyms> |