| trustworthy(adjective, clear, sure) | |
| unquestionable(adjective, definite) | |
| decisive | |
| strong | |
| assured | |
| constant | |
| evident(adjective, clear, apparent) | |
| firm(noun, weak, obscure) | |
| inevitable(adjective, certain, distant) | |
| invariable | |
| positive(adjective, certain, definite) | |
| predictable(adjective, clear, sure) | |
| recognisably different | |
| resolved(verb, adjective, clear, sure) | |
| sanguine | |
| secure(adjective, clear, weak, soft, certain) | |
| settled(adjective, clear, sure) | |
| sustainable | |
| tried | |
| true(dishonest, apathetic, unfaithful) |
For more, visit
Uncertain on
Power Thesaurus
| APA | Smart Define. (2016). uncertain thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/uncertain/thesaurus/antonyms |
| Chicago | Smart Define. 2016. "uncertain thesaurus" https://smartdefine.org/uncertain/thesaurus/antonyms (accessed September 23, 2026). |
| Harvard | Smart Define 2016, uncertain thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/uncertain/thesaurus/antonyms>. |
| MLA | Smart Define. "uncertain thesaurus" 24 March 2016. Web. 23 September 2026. <https://smartdefine.org/uncertain/thesaurus/antonyms> |