• synonyms


adjective, adverb Slang.
  1. (used as an intensifier).
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Origin of effing

1940–45; euphemism for fucking, with eff as spelled form of the name of the initial letter


verb (used with or without object), interjection
  1. fuck: Stop effing around and get to work! Eff you, you lout!
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  1. the word “fuck”; the f-word: peppering his speech with superfluous and highly offensive effs.
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Verb Phrases
  1. eff off, Go away!: Eff off and die, you piece of Martian scum!
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Origin of eff

1940–45; euphemism for fuck, with eff as spelled form of the name of the initial letter
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for effing

Contemporary Examples of effing

British Dictionary definitions for effing


  1. euphemism for fuck taboo eff off
  2. eff and blind slang to use obscene language
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Derived Formseffing, noun, adjective, adverb
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

Word Origin and History for effing


1943, euphemism for fuck, representing the sound of its first letter. Related: Effing.

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Online Etymology Dictionary, © 2010 Douglas Harper