Undependable and Unreliable

Undependable

Undependable adjective - Not worthy of reliance or trust.
Usage example: an undependable assistant

Unreliable is a synonym for undependable in unsafe topic. In some cases you can use "Unreliable" instead an adjective "Undependable", when it comes to topics like trust, strong, dangerous, irresponsible. popular alternative

Unreliable

Unreliable adjective - Not worthy of reliance or trust.
Usage example: in the early 1950s computers were large and expensive and unreliable

Undependable is a synonym for unreliable in unsafe topic. You can use "Undependable" instead an adjective "Unreliable", if it concerns topics such as trust, strong, dangerous, not true. popular alternative

Nearby Words: unreliability, unreliably
Cite this Source
Unreliable and Undependable. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/undependable/unreliable
Undependable & Unreliable. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/undependable/unreliable>.
Unreliable or Undependable. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/undependable/unreliable.
Google Ngram Viewer shows how "undependable" and "unreliable" have occurred on timeline