Definitions

vouch

[vouch] / vaʊtʃ /

VERB

give assurance

Synonyms

STRONG

affirm assert asseverate assure avert avow back certify confirm contend corroborate cosign declare guarantee maintain okay predicate profess prove sponsor substantiate support testify uphold verify vow warrant witness

WEAK

act as a witness answer for attest to be responsible for bear testimony get behind give an affidavit put forth rubber-stamp say so sign for stand up for swear to swear up and down

Antonyms

STRONG

break condemn contradict deny desert disapprove disavow disclaim discourage discredit disprove invalidate neglect oppose refuse refute reject repudiate veto

WEAK

renounce

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Fifa shot back directly, stating that its official platform is the only guaranteed sales channel and that it cannot vouch for tickets bought via third parties.

From BBC • Jul. 2, 2026

Just as important as recognizing interdisciplinary connections for herself was building a network of people who would vouch for her.

From The Wall Street Journal • May 28, 2026

It’s hard to find an eyewitness or reliable third party who can vouch for what took place between people behind closed doors.

From Los Angeles Times • Apr. 17, 2026

I use Claude, ChatGPT, and Google’s Gemini every day, and I can vouch for the truth in the Claude warning.

From Barron's • Feb. 6, 2026

I myself never encountered such women and could not vouch for their reality.

From "The Woman Warrior" by Maxine Hong Kingston

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