- Definitions|0
- Thesaurus|478
- Abbreviations|0
53 entries under solid topic. ×
| self-confident(adjective, strong, easy, certain) | |
| sewed up(verb, expression, adjective, certain) | |
| shoo-in(adjective, strong, easy, certain) | |
| steadfast(adjective, strong, easy, certain) | |
| sure(adjective, strong, easy, certain) | |
| sure thing(expression, adjective, strong, easy) | |
| surefire(adjective, set, certain, sure) | |
| tried and true(expression, adjective, idiom, strong, easy) | |
| unanxious(adjective, strong, easy, certain) | |
| undoubted(adjective, certain, sure, confident) | |
| undoubtful(adjective, strong, easy, certain) | |
| unquestionable(adjective, certain, sure, confident) | |
| well-founded(adjective, strong, easy, certain) |
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| APA | Smart Define. (2015). nailed down thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/nailed_down/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "nailed down thesaurus" https://smartdefine.org/nailed_down/thesaurus/synonyms (accessed September 27, 2026). |
| Harvard | Smart Define 2015, nailed down thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/nailed_down/thesaurus/synonyms>. |
| MLA | Smart Define. "nailed down thesaurus" 10 April 2015. Web. 27 September 2026. <https://smartdefine.org/nailed_down/thesaurus/synonyms> |