Fail
Flunk
Flunk verb - To be unsuccessful.
Usage example: the movie flunks, both as entertainment and as a dramatization of a historical incident
Fail is a synonym for flunk in activity topic. You can use "Fail" instead the word "Flunk" as a verb or a noun, if it concerns topics such as failure, thrive, be unsuccessful. popular alternative
Mutual synonyms
Cite this Source
Flunk and Fail. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/fail/flunk
Fail & Flunk. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/fail/flunk>.
Flunk or Fail. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/fail/flunk.
Google Ngram Viewer shows how "fail" and "flunk" have occurred on timeline