- (a.) Not dubitable or doubtful; too evident to admit of doubt; unquestionable; evident; apparently certain; as, an indubitable conclusion.
- (n.) That which is indubitable.
Webster's Revised Unabridged Dictionary
| APA | Webster's. (2011). indubitable. Retrieved September 20, 2026, from http://smartdefine.org/indubitable/definitions/2021025 |
| Chicago | Webster's. 2011. "indubitable" http://smartdefine.org/indubitable/definitions/2021025 (accessed September 20, 2026). |
| Harvard | Webster's 2011, indubitable, Smart Define, viewed 20 September, 2026, <http://smartdefine.org/indubitable/definitions/2021025>. |
| MLA | Webster's. "indubitable" 27 May 2011. Web. 20 September 2026. <http://smartdefine.org/indubitable/definitions/2021025> |