Unreliable and Untrustworthy

Unreliable

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

Untrustworthy is a synonym for unreliable in undependable topic. In some cases you can use "Untrustworthy" instead an adjective "Unreliable", when it comes to topics like trust, deceptive, not true. popular alternative

Nearby Words: unreliability, unreliably

Untrustworthy

Untrustworthy adjective - Not worthy of trust or belief.
Usage example: an untrustworthy person

Unreliable is a synonym for untrustworthy in trust topic. You can use "Unreliable" instead an adjective "Untrustworthy", if it concerns topics such as deceptive, unfaithful, undependable. popular alternative
Cite this Source
Untrustworthy and Unreliable. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/unreliable/untrustworthy
Unreliable & Untrustworthy. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/unreliable/untrustworthy>.
Untrustworthy or Unreliable. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/unreliable/untrustworthy.
Google Ngram Viewer shows how "unreliable" and "untrustworthy" have occurred on timeline