verb (used with object), ex·pi·at·ed, ex·pi·at·ing.

to atone for; make amends or reparation for: to expiate one's crimes.

Origin of expiate

1585–95; < Latin expiātus (past participle of expiāre to atone for, make good), equivalent to ex- ex-1 + piā(re) to propitiate (see pious) + -tus past participle suffix
Related formsex·pi·a·tor, nounun·ex·pi·at·ed, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

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British Dictionary definitions for expiate



(tr) to atone for or redress (sin or wrongdoing); make amends for
Derived Formsexpiator, noun

Word Origin for expiate

C16: from Latin expiāre, from pius dutiful; see pious
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 expiate

c.1600 (OED entry has a typographical error in the earliest date), from Latin expiatus, past participle of expiare "to make amends, atone for (see expiation). Related: Expiable (1560s); expiated; expiating.

Online Etymology Dictionary, © 2010 Douglas Harper