a person who commits adultery.

Origin of adulterer

1350–1400; earlier adulter adulterer (< Latin, back formation from adulterāre to defile; see adulterate) + -er1; replacing Middle English avouter, avoutrer < Old French < Latin
Can be confusedadulterer adulterate Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

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Contemporary Examples of adulterer

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British Dictionary definitions for adulterer



a person who has committed adultery

Word Origin for adulterer

C16: originally also adulter, from Latin adulter, back formation from adulterāre to adulterate
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 adulterer

early 15c., earlier avouter (c.1300), avoutrer (late 14c.), agent noun from obsolete verb adulter "commit adultery; adulterate" (late 14c.), from Latin adulterare "to corrupt" (see adulteration).

Online Etymology Dictionary, © 2010 Douglas Harper