Part of Speech verb
Origin + Etymology
Middle English from the Old French voucher "summon", based on the Latin vocare "to call"
Synonyms
    1.
  • affirm confirm prove
    2.
  • assert assure corroborate
Antonyms
    1.
  • contradict deny
    2.
  • break condemn disapprove
Definition
1. to attest; guarantee; certify (usually followed by for)
2. to support as being true, certain, reliable, etc.
Examples
1. A) I wouldn't have believed him, but she went on to vouch for his character adamantly. B) The test results will vouch for me in the end.
2. A) My boss can vouch for my ability to get tasks done on time and for my professionalism. B) Can you find someone to vouch for your story so we can confirm where you were on Saturday night?
Usage Over Time

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