Rat fink
Rat fink noun - A person who provides information about another's wrongdoing.
Show all Definitions
Synonyms for Rat fink
Turncoat
Turncoat noun - One who betrays a trust or an allegiance.
Show all Definitions
Synonyms for Turncoat
Mutual synonyms
Cite this Source
Turncoat and Rat fink. (2016). Retrieved 2026, July 27, from https://thesaurus.plus/related/rat_fink/turncoat
Rat fink & Turncoat. N.p., 2016. Web. 27 Jul. 2026. <https://thesaurus.plus/related/rat_fink/turncoat>.
Turncoat or Rat fink. 2016. Accessed July 27, 2026. https://thesaurus.plus/related/rat_fink/turncoat.
Google Ngram Viewer shows how "rat fink" and "turncoat" have occurred on timeline