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Meaning of vouch

vouch

Pronunciation: (vouch), [key]
— v.i.
  1. to support as being true, certain, reliable, etc. (usually fol. by for): Her record in office vouches for her integrity.
  2. to attest; guarantee; certify (usually fol. by for): to vouch for someone in a business transaction.
—v.t.
  1. to sustain or uphold by, or as if by, practical proof or demonstration.
  2. (formerly) to call or summon (a person) into court to make good a warranty of title.
  3. to adduce or quote in support, as extracts from a book or author; cite in warrant or justification, as authority, instances, facts, etc.
  4. to warrant or attest; to support or authenticate with vouchers.
  5. to declare as with warrant; vouch for.
  6. to call or take as a witness.
—n.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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