ratfink

[ rat-fingk ]

See synonyms for ratfink on Thesaurus.com

nounSlang.

fink (defs. 3, 4).

Origin of ratfink

First recorded in 1960–65; rat + fink

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

British Dictionary definitions for ratfink

ratfink

/ (ˈrætˌfɪŋk) /

noun

slang, mainly US and Canadian a contemptible or undesirable person

Origin of ratfink

C20: from rat + fink

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

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