[ bih-foul ]
See synonyms for: befoulbefoulment on

verb (used with object)
  1. to make dirty or filthy; soil; defile; sully: a bird that befouls its own nest.

Origin of befoul

First recorded in 1275–1325, befoul is from the Middle English word bi-foulen.See be-, foul

Other words from befoul

  • be·foul·er, noun
  • be·foul·ment, noun Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

How to use befoul in a sentence

  • The maid had snatched the kimono, also befouled, from the handle of the door and threw it round her mistress.

    The Hidden Force | Louis Couperus

British Dictionary definitions for befoul


/ (bɪˈfaʊl) /

  1. (tr) to make dirty or foul; soil; defile

Derived forms of befoul

  • befouler, noun
  • befoulment, noun

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