Synonyms for avow Found 7 synonyms across 2 meanings for “avow”. to declare or affirm solemnly and formally as true (verb) affirmverifyassertaverswanswear admit openly and bluntly (verb) avouch Explore Related Words Rhymes with avowSynonyms for affirmSynonyms for verifySynonyms for assertSynonyms for averSynonyms for swan Synonym Finder | Rhyme Finder | Poetry Editor