verb (used with object)

to make frank acknowledgment or affirmation of; declare or assert with positiveness.
to assume responsibility for; vouch for; guarantee.
to admit; confess.

Origin of avouch

1350–1400; Middle English avouchen < Middle French avouchier < Latin advocāre. See a-5, vouch, advocate
Related formsa·vouch·er, nouna·vouch·ment, nounun·a·vouched, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for avouches

Historical Examples of avouches

  • However, said he, if this which he avouches be true, let us arm and out.

    The Chautauquan, Vol. III, March 1883

    The Chautauquan Literary and Scientific Circle

  • As the Old Testament avouches they grew to be a mighty nation, distinguished in certain respects from all other peoples.

  • Villemarqu avouches that this version was taken down by his mother from the lips of an old peasant woman of the parish of Nvez.

  • It will do so, he avouches, with a gentle blue flame of great beauty and serenity.

    Plum Pudding

    Christopher Morley

British Dictionary definitions for avouches


verb (tr) archaic

to vouch for; guarantee
to acknowledge
to assert
Derived Formsavouchment, noun

Word Origin for avouch

C16: from Old French avochier to summon, call on, from Latin advocāre; see advocate
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 avouches



late 15c., from Middle French avochier "call upon as authority," in Old French "call (to court), advocate, plead (a case)," from Latin advocare "call to" as a witness (see advocate).

Avouch, which is no longer in common use, means guarantee, solemnly aver, prove by assertion, maintain the truth or existence of, vouch for .... Avow means own publicly to, make no secret of, not shrink from admitting, acknowledge one's responsibility for .... Vouch is now common only in the phrase vouch for, which has taken the place of avouch in ordinary use, & means pledge one's word for .... [Fowler]

Related: Avouched; avouching.

Online Etymology Dictionary, © 2010 Douglas Harper