adverb
- Without doubt; certainly.
- usage: "it's undoubtedly very beautiful"
- synonyms: undoubtedly, doubtlessly
WordNet 3.0 © 2006 by Princeton University
| APA | WordNet. (2010). doubtless. Retrieved September 20, 2026, from http://smartdefine.org/doubtless/definitions/1251304 |
| Chicago | WordNet. 2010. "doubtless" http://smartdefine.org/doubtless/definitions/1251304 (accessed September 20, 2026). |
| Harvard | WordNet 2010, doubtless, Smart Define, viewed 20 September, 2026, <http://smartdefine.org/doubtless/definitions/1251304>. |
| MLA | WordNet. "doubtless" 23 October 2010. Web. 20 September 2026. <http://smartdefine.org/doubtless/definitions/1251304> |