Flunk
Flunk verb - To be unsuccessful.
Usage example: the movie flunks, both as entertainment and as a dramatization of a historical incident
Tank
Tank verb - To be unsuccessful.
Usage example: her intended comeback movie tanked at the box office, and once again she was relegated to TV guest spots
Cite this Source
Tank and Flunk. (2016). Retrieved 2026, August 12, from https://thesaurus.plus/related/flunk/tank
Flunk & Tank. N.p., 2016. Web. 12 Aug. 2026. <https://thesaurus.plus/related/flunk/tank>.
Tank or Flunk. 2016. Accessed August 12, 2026. https://thesaurus.plus/related/flunk/tank.
Google Ngram Viewer shows how "flunk" and "tank" have occurred on timeline