Flunk
Flunk verb - To be unsuccessful.
Usage example: the movie flunks, both as entertainment and as a dramatization of a historical incident
Sink
Sink verb - To become worse or of less value.
Cite this Source
Sink and Flunk. (2016). Retrieved 2026, July 22, from https://thesaurus.plus/related/flunk/sink
Flunk & Sink. N.p., 2016. Web. 22 Jul. 2026. <https://thesaurus.plus/related/flunk/sink>.
Sink or Flunk. 2016. Accessed July 22, 2026. https://thesaurus.plus/related/flunk/sink.
Google Ngram Viewer shows how "flunk" and "sink" have occurred on timeline