verb (used with object)

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
Related formsbe·foul·er, nounbe·foul·ment, noun Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Related Words for befouled

defile, pollute, soil, malign, slander, dirty, corrupt, stain

Examples from the Web for befouled

Historical Examples of befouled

British Dictionary definitions for befouled



(tr) to make dirty or foul; soil; defile
Derived Formsbefouler, nounbefoulment, 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

Word Origin and History for befouled



early 14c., from be- + foul (v.). Related: Befouled; befouling.

Online Etymology Dictionary, © 2010 Douglas Harper