Fallible and Unreliable

Fallible

Fallible adjective - Likely to fail or make errors.
Usage example: everyone is fallible to some degree

Unreliable is a synonym for fallible in deceptive topic. In some cases you can use "Unreliable" instead an adjective "Fallible", when it comes to topics like able or prone to err. popular alternative

Nearby Words: fallacy, fallibility

Unreliable

Unreliable adjective - Liable to be erroneous or misleading.

Fallible is a synonym for unreliable in questionable topic. You can use "Fallible" instead an adjective "Unreliable", if it concerns topics such as deceptive, not true. popular alternative

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