Treacherous and Undependable


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

Undependable is a synonym for treacherous in dangerous topic. In some cases you can use "Undependable" instead an adjective "Treacherous", when it comes to topics like dishonest, traitorous, unsafe.

Nearby Words: treachery, treacherously


Undependable adjective - Not worthy of reliance or trust.

Treacherous is a synonym for undependable in irresponsible topic. You can use "Treacherous" instead an adjective "Undependable", if it concerns topics such as unsafe.
Cite this Source
Undependable and Treacherous. (2016). Retrieved 2022, August 08, from
Treacherous & Undependable. N.p., 2016. Web. 08 Aug. 2022. <>.
Undependable or Treacherous. 2016. Accessed August 08, 2022.
Google Ngram Viewer shows how "treacherous" and "undependable" have occurred on timeline