- Definitions|2
- Thesaurus|4.6k
- Abbreviations|0
100 entries under fixed topic. ×
| sure(adjective, good, set, clear, understanding) | |
| positive(adjective, good, set, clear, strong) | |
| definite(adjective, good, clear, strong, complete) | |
| determined(adjective, good, strong, easy, firm) | |
| assured(adjective, clear, understanding, strong, easy) | |
| dependable(adjective, good, clear, strong, sound) | |
| reliable(adjective, clear, strong, sound, easy) | |
| decided(adjective, clear, firm, solid, perfect) | |
| firm(noun, adjective, good, change, clear) | |
| secure(verb, adjective, clear, sound, firm) | |
| convinced(adjective, set, clear, firm, content) | |
| set(adjective, change, clear, firm, solid) | |
| settled(adjective, strong, easy, firm, solid) | |
| precise(adjective, clear, correct, honest, plain) | |
| inevitable(adjective, complete, firm, full, regular) | |
| safe(adjective, good, clear, strong, sound) | |
| constant(adjective, good, strong, complete, firm) | |
| guaranteed(adjective, definite, sure, positive) | |
| sound(noun, adjective, clear, strong, easy) | |
| steady(adjective, good, strong, complete, easy) |
For more, visit
Certain on
Power Thesaurus
| APA | Smart Define. (2016). certain thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/certain/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "certain thesaurus" https://smartdefine.org/certain/thesaurus/synonyms (accessed September 20, 2026). |
| Harvard | Smart Define 2016, certain thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/certain/thesaurus/synonyms>. |
| MLA | Smart Define. "certain thesaurus" 31 March 2016. Web. 20 September 2026. <https://smartdefine.org/certain/thesaurus/synonyms> |