False
False adverb - In a disloyal and faithless manner.
Usage example: his wife played him false
Treasonably is a synonym for false. In some cases you can use "Treasonably" instead an adverb "False".
Treasonably
Treasonably adverb - In a disloyal and faithless manner.
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Synonyms for Treasonably
Nearby Words: treason, treasonable
Mutual synonyms
Cite this Source
Treasonably and False. (2016). Retrieved 2026, July 22, from https://thesaurus.plus/related/false/treasonably
False & Treasonably. N.p., 2016. Web. 22 Jul. 2026. <https://thesaurus.plus/related/false/treasonably>.
Treasonably or False. 2016. Accessed July 22, 2026. https://thesaurus.plus/related/false/treasonably.
Google Ngram Viewer shows how "false" and "treasonably" have occurred on timeline