- Definitions|1
- Thesaurus|765
- Abbreviations|0
| sure-enough(adjective, correct, right, flat, honest) | |
| trusting(adjective, certain) | |
| truthful(adjective, correct, right, honest, exact) | |
| unerring(adjective, clear, sound, correct, right) | |
| veracious(adjective, sound, correct, right, honest) | |
| absolutely certain(expression, adjective, solid, certain, sure) | |
| accurate(adjective, correct, right, flat, exact) | |
| acknowledged | |
| appropriate(adjective, correct, right, honest, plain) | |
| ascertained | |
| attested | |
| authenticated | |
| authoritative(adjective, clear, sound, correct, right) | |
| believable | |
| believed | |
| beyond doubt(expression, adjective, sound, solid, certain) | |
| bound | |
| capable of being touched | |
| categorically true | |
| certified |
For more, visit
Undoubted on
Power Thesaurus
| APA | Smart Define. (2015). undoubted thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/undoubted/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "undoubted thesaurus" https://smartdefine.org/undoubted/thesaurus/synonyms (accessed September 22, 2026). |
| Harvard | Smart Define 2015, undoubted thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/undoubted/thesaurus/synonyms>. |
| MLA | Smart Define. "undoubted thesaurus" 14 April 2015. Web. 22 September 2026. <https://smartdefine.org/undoubted/thesaurus/synonyms> |