Synonyms & Antonyms of avouch

1 to declare (something) to be true or genuine
  • a note from my doctor avouching that my medical condition did indeed disqualify me from gym class

Synonyms for avouch

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2 to state as a fact usually forcefully
  • avouched that he had never cheated on his taxes in his life

Synonyms for avouch

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Antonyms for avouch

3 to state clearly and strongly
  • she tends to avouch her opinions in such a way as to imply that anyone who thinks otherwise is an idiot

Synonyms for avouch

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Time Traveler for avouch

Time Traveler

The first known use of avouch was in the 15th century

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Cite this Entry

“Avouch.” Thesaurus, Merriam-Webster, Accessed 2 Mar. 2021.

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