1
as in to guarantee
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 & Similar Words
Relevance
2
as in to claim
to state as a fact usually forcefully
avouched that he had never cheated on his taxes in his life
Synonyms & Similar Words
Antonyms & Near Antonyms
3
as in to declare
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 & Similar Words
Antonyms & Near Antonyms
Example Sentences
Recent Examples of Synonyms for avouch
Verb
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Rigorous, exhaustive testing of all tracks, signaling systems, and vehicles is the standard industry practice for major airport transit infrastructure to guarantee seamless long-term system integration.
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After the top four picks, the remaining 10 lottery teams are slotted in according to their records (meaning that the worst team is guaranteed at least the fifth pick).
Verb
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While speaking with the Daily Mail, Daveigh's mom claimed that her daughter struggled with addiction.
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Sina Azodi, director of George Washington University’s Middle East studies program, noted Israel’s attacks on Lebanon are an issue for Iran while the US could possibly interpret Tehran claiming to close the Strait of Hormuz as a violation of the memorandum of understanding.
Verb
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But Nicky stays and watches, amused as Lestat declares his new outlook on life.
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The mayor of Marseille, Benoît Payan, had already declared his opposition to West’s performance on social media in late March.
Verb
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Most standard portable filters only catch parasites, so check that any filter is certified to NSF Standard 53 or 58 with a small enough pore size.
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Eco effort The hotel is EarthCheck certified, with smart systems monitoring energy use, home automation shutting off lighting when guests are out exploring the city, and a food digester in place to tackle organic waste.
Verb
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Iran’s leaders insist the country’s nuclear program is only for peaceful purposes.
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The thread running through all of these is the same worry, that decisions which used to be made by people who could be questioned are now made by systems that cannot, unless someone insists they be opened up.
Verb
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Car show winners The winner of Best in Show at the fourth annual Historic Downtown Campbell Car Show, held June 6, may seem somewhat underwhelming, but organizers assert that Michael Vanni’s 1964 Chevy Nova has serious street cred.
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That came after the start of talks between the two countries had been delayed while both sides also sought to assert influence over the strait.
Verb
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Last September, the group published a 336-page report affirming that ABA should be included as a basic benefit under TRICARE, without the excessive administrative barriers that have disrupted treatment for children in military families.
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Chicago would have been the largest city in the Northern Hemisphere without a bus hub, and Greyhound could have moved its Midwest hub to Indiana where reproductive and gender-affirming healthcare are criminalized.
Verb
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Prosecutors also alleged King fathered a child through an extra-marital affair and threatened the child’s mother to keep quiet.
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Surviving former residents alleged that rape and torture had been routine there for decades, especially under segregation, when Black boys bore the worst of the abuse.
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Cite this Entry
“Avouch.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/avouch. Accessed 26 Jun. 2026.
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