- Definitions|1
- Thesaurus|765
- Abbreviations|0
56 entries under guaranteed topic. ×
| certain(adjective, correct, firm, solid, physical) | |
| unquestionable(adjective, correct, right, honest, plain) | |
| indubitable(adjective, clear, sound, correct, right) | |
| sure(adjective, clear, sound, correct, firm) | |
| irrefutable(adjective, clear, flat, firm, solid) | |
| definite(adjective, clear, firm, solid, certain) | |
| cocksure(certain, sure, confident) | |
| clear-cut(adjective, solid, certain, straightforward, definite) | |
| decided(adjective, solid, certain, straightforward, definite) | |
| fixed(adjective, clear, sound, firm, plain) | |
| set(adjective, clear, sound, firm, solid) | |
| confirmed(adjective, solid, certain, sure, confident) | |
| settled(adjective, solid, certain, sure, confident) | |
| absolutely certain(expression, adjective, solid, certain, sure) | |
| beyond doubt(expression, adjective, sound, solid, certain) | |
| cinched(adjective, solid, certain, sure, confident) | |
| clinched(adjective, solid, certain, sure, confident) | |
| dependable(adjective, correct, right, flat, honest) | |
| ensured(adjective, solid, certain, sure, confident) | |
| in the bag(expression, adjective, idiom, clear, firm) |
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| APA | Smart Define. (2015). undoubted thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/undoubted/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "undoubted thesaurus" https://smartdefine.org/undoubted/thesaurus/synonyms (accessed September 24, 2026). |
| Harvard | Smart Define 2015, undoubted thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/undoubted/thesaurus/synonyms>. |
| MLA | Smart Define. "undoubted thesaurus" 14 April 2015. Web. 24 September 2026. <https://smartdefine.org/undoubted/thesaurus/synonyms> |