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[uh-vouch] /əˈvaʊtʃ/
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 forms
avoucher, noun
avouchment, noun
unavouched, adjective Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2018.
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Examples from the Web for avouch
Historical Examples
  • But it is not so, as every well-constituted mind will avouch.

    Impressions of America Tyrone Power
  • You will think you have made no offence, if the Duke avouch the justice of your dealing?

    Measure for Measure William Shakespeare
  • Who would not avouch the honesty of John L. Stephens after reading his travels?

    The Collector Henry T. Tuckerman
  • How many young women in Boston can avouch for the truth of this statement?

    The Funny Side of Physic A. D. Crabtre
  • "There can be no better rede, and we will all avouch it," said the citizens.

    The Fair Maid of Perth Sir Walter Scott
  • The first words he uttered were, "Bear me where ye will, I will avouch the deed!"

  • "Before God and man, I will avouch the deed," answered Endicott.

    The Little Book of the Flag Eva March Tappan
  • Love is not blind in this case, Alice dear, I avouch it; but it has the gift of prevision also.

  • I am well trained in navigation, as Sir Richard Grenville can avouch.

    The Golden Galleon Robert Leighton
  • It had not been wrought had I been present; but here are those who can avouch it.

    More Bywords Charlotte M. Yonge
British Dictionary definitions for avouch


verb (transitive) (archaic)
to vouch for; guarantee
to acknowledge
to assert
Derived Forms
avouchment, noun
Word Origin
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
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Word Origin and History for avouch

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
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