- Definitions|1
- Thesaurus|56
- Abbreviations|0
46 entries under adjective topic. ×
| provable(clear, valid, inferable) | |
| conclusive(clear, valid) | |
| confirmable(clear, valid) | |
| demonstrable(clear, valid) | |
| verifiable(clear, valid) | |
| absolute(clear, valid) | |
| ascertained(clear, valid) | |
| authoritative(clear, valid) | |
| clear | |
| definite(clear, valid) | |
| destined(clear, valid) | |
| determined(clear, valid) | |
| establishable(clear, valid) | |
| evident(clear, valid) | |
| firm(clear, valid) | |
| fixed(clear, valid) | |
| genuine(clear, valid) | |
| guaranteed(clear, valid) | |
| in the bag(clear, valid) | |
| incontrovertible(clear, valid) |
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| APA | Smart Define. (2011). undoubtable thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/undoubtable/thesaurus/synonyms |
| Chicago | Smart Define. 2011. "undoubtable thesaurus" https://smartdefine.org/undoubtable/thesaurus/synonyms (accessed September 22, 2026). |
| Harvard | Smart Define 2011, undoubtable thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/undoubtable/thesaurus/synonyms>. |
| MLA | Smart Define. "undoubtable thesaurus" 23 May 2011. Web. 22 September 2026. <https://smartdefine.org/undoubtable/thesaurus/synonyms> |