- Definitions|1
- Thesaurus|532
- Abbreviations|0
68 entries under certain topic. ×
| sanguine(adjective, strong, easy, firm, solid) | |
| secure(adjective, firm, definite, sure) | |
| self-confident(adjective, strong, easy, firm, solid) | |
| settled(adjective, strong, easy, solid) | |
| sound(clear, strong, true, definite) | |
| steadfast(adjective, strong, easy, solid) | |
| surefire(noun, adjective, belief, store) | |
| tried and true(expression, adjective, idiom, strong, easy) | |
| true(adjective, good, clear, fine) | |
| unanswerable(adjective, sound, true, definite) | |
| unanxious(adjective, strong, easy, solid) | |
| undoubted(clear, sound, true, definite) | |
| undoubtful(adjective, strong, easy, firm, solid) | |
| well-founded(adjective, strong, easy, solid) | |
| binding(sound, true, definite, unquestionable) | |
| compulsory(sound, true, definite, unquestionable) | |
| easy(adjective, strong, definite, confident) | |
| hopeful(adjective, strong, easy, solid) | |
| inarguable | |
| incontestable |
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| APA | Smart Define. (2016). sure thing thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/sure_thing/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "sure thing thesaurus" https://smartdefine.org/sure_thing/thesaurus/synonyms (accessed September 23, 2026). |
| Harvard | Smart Define 2016, sure thing thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/sure_thing/thesaurus/synonyms>. |
| MLA | Smart Define. "sure thing thesaurus" 1 April 2016. Web. 23 September 2026. <https://smartdefine.org/sure_thing/thesaurus/synonyms> |