- Definitions|2
- Thesaurus|4.6k
- Abbreviations|0
124 entries under solid topic. ×
| sure(adjective, good, set, clear, understanding) | |
| positive(adjective, good, set, clear, strong) | |
| definite(adjective, good, clear, strong, complete) | |
| unquestionable(adjective, clear, correct, flat, honest) | |
| absolute(adjective, clear, strong, complete, correct) | |
| confident(adjective, set, clear, strong, easy) | |
| determined(adjective, good, strong, easy, firm) | |
| assured(adjective, clear, understanding, strong, easy) | |
| dependable(adjective, good, clear, strong, sound) | |
| fixed(adjective, change, clear, complete, firm) | |
| reliable(adjective, clear, strong, sound, easy) | |
| decided(adjective, clear, firm, perfect) | |
| firm(noun, adjective, good, change, clear) | |
| secure(verb, adjective, clear, sound, firm) | |
| true(adjective, good, strong, correct, firm) | |
| conclusive(adjective, clear, strong, correct, easy) | |
| set(adjective, change, clear, firm) | |
| settled(adjective, strong, easy, firm) | |
| trustworthy(adjective, good, clear, strong, sound) | |
| undoubted(adjective, correct, firm, physical) |
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| APA | Smart Define. (2016). certain thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/certain/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "certain thesaurus" https://smartdefine.org/certain/thesaurus/synonyms (accessed September 21, 2026). |
| Harvard | Smart Define 2016, certain thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/certain/thesaurus/synonyms>. |
| MLA | Smart Define. "certain thesaurus" 31 March 2016. Web. 21 September 2026. <https://smartdefine.org/certain/thesaurus/synonyms> |