15 entries under sure topic. ×
| certain(adjective, clear, fixed, confident) | |
| clear(adjective, certain, doubtful, ambiguous) | |
| definite(adjective, clear, exact, certain, fixed) | |
| determined(verb, adjective, clear) | |
| reliable(adjective, clear, bad, weak) | |
| unchanging(adjective, clear) | |
| trustworthy(adjective, clear) | |
| predictable(adjective, clear) | |
| resolved(verb, adjective, clear) | |
| secure(adjective, clear, weak, soft, certain) | |
| settled(adjective, clear) | |
| decided(verb, adjective, clear, obscure, vague) | |
| safe(adjective, clear, insecure, irresponsible) | |
| foreseeable(adjective, clear) | |
| undoubted(adjective, clear) |
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| APA | Smart Define. (2016). uncertain thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/uncertain/thesaurus/antonyms |
| Chicago | Smart Define. 2016. "uncertain thesaurus" https://smartdefine.org/uncertain/thesaurus/antonyms (accessed September 25, 2026). |
| Harvard | Smart Define 2016, uncertain thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/uncertain/thesaurus/antonyms>. |
| MLA | Smart Define. "uncertain thesaurus" 24 March 2016. Web. 25 September 2026. <https://smartdefine.org/uncertain/thesaurus/antonyms> |