Flunk
Flunk verb - To be unsuccessful.
Usage example: the movie flunks, both as entertainment and as a dramatization of a historical incident
Wane
Wane verb - To grow less in scope or intensity especially gradually.
Cite this Source
Wane and Flunk. (2016). Retrieved 2026, August 12, from https://thesaurus.plus/related/flunk/wane
Flunk & Wane. N.p., 2016. Web. 12 Aug. 2026. <https://thesaurus.plus/related/flunk/wane>.
Wane or Flunk. 2016. Accessed August 12, 2026. https://thesaurus.plus/related/flunk/wane.
Google Ngram Viewer shows how "flunk" and "wane" have occurred on timeline