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
Unreliable is a synonym for treacherous in dangerous topic. In some cases you can use "Unreliable" instead an adjective "Treacherous", when it comes to topics like sly, dishonest, traitorous, unsafe. popular alternative
Nearby Words: treachery, treacherously
Unreliable
Unreliable adjective - Dangerously unstable and unpredictable.
Usage example: an unreliable trestle
Treacherous is a synonym for unreliable in sly topic. You can use "Treacherous" instead an adjective "Unreliable", if it concerns topics such as unsafe, not true. popular alternative
Nearby Words: unreliability, unreliably
Mutual synonyms
Related pairs
- dangerous and treacherous
- dangerous and unreliable
- precarious and treacherous
- precarious and unreliable
- false and treacherous
- false and unreliable
- tricky and treacherous
- tricky and unreliable
- risky and treacherous
- risky and unreliable
- insecure and treacherous
- insecure and unreliable
- unsound and treacherous
- unsound and unreliable
Cite this Source
Unreliable and Treacherous. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/treacherous/unreliable
Treacherous & Unreliable. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/treacherous/unreliable>.
Unreliable or Treacherous. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/treacherous/unreliable.
Google Ngram Viewer shows how "treacherous" and "unreliable" have occurred on timeline