Earnest and Mendacious

Earnest

Earnest adjective - Not joking or playful in mood or manner.

Mendacious is an antonym for earnest.

Nearby Words: earnestness, earnestly

Mendacious

Mendacious adjective - Telling or containing lies.
Usage example: that tabloid routinely publishes the most moronically mendacious stories about celebrities

Earnest is an antonym for mendacious.

Nearby Words: mendacity, mendaciously
Cite this Source
Mendacious and Earnest. (2016). Retrieved 2026, August 14, from https://thesaurus.plus/related/earnest/mendacious
Earnest & Mendacious. N.p., 2016. Web. 14 Aug. 2026. <https://thesaurus.plus/related/earnest/mendacious>.
Mendacious or Earnest. 2016. Accessed August 14, 2026. https://thesaurus.plus/related/earnest/mendacious.
Google Ngram Viewer shows how "earnest" and "mendacious" have occurred on timeline