adverb
- In a disloyal and faithless manner.
- usage: "he behaved treacherously"; "his wife played him false"
- synonyms: faithlessly, traitorously, treacherously, false
WordNet 3.0 © 2006 by Princeton University
| APA | WordNet. (2010). treasonably. Retrieved September 21, 2026, from http://smartdefine.org/treasonably/definitions/1253724 |
| Chicago | WordNet. 2010. "treasonably" http://smartdefine.org/treasonably/definitions/1253724 (accessed September 21, 2026). |
| Harvard | WordNet 2010, treasonably, Smart Define, viewed 21 September, 2026, <http://smartdefine.org/treasonably/definitions/1253724>. |
| MLA | WordNet. "treasonably" 23 October 2010. Web. 21 September 2026. <http://smartdefine.org/treasonably/definitions/1253724> |