False and Treacherous

False

False adjective - Not true in one's allegiance to someone or something.
Usage example: false friends who deserted the prizefighter when all his money was gone

Treacherous is a synonym for false in faithless topic. In some cases you can use "Treacherous" instead an adjective "False", when it comes to topics like continue, dishonest, deceitful, unreliable. popular alternative

Treacherous

Treacherous adjective - Not true in one's allegiance to someone or something.
Usage example: a treacherous “friend,” she's been known to turn against people in the blink of an eye

False is a synonym for treacherous in continue topic. You can use "False" instead an adjective "Treacherous", if it concerns topics such as dishonest, faithless, traitorous, deceitful. popular alternative

Nearby Words: treachery, treacherously

Both words in one sentence

Cite this Source
Treacherous and False. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/false/treacherous
False & Treacherous. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/false/treacherous>.
Treacherous or False. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/false/treacherous.
Google Ngram Viewer shows how "false" and "treacherous" have occurred on timeline