Affirm Affirm synonyms assert affirm and assert confirm affirm and confirm aver affirm and aver declare affirm and declare avow affirm and avow maintain affirm and maintain ratify affirm and ratify verify affirm and verify swear affirm and swear state affirm and state Full list of synonyms (1462) Affirm antonyms deny affirm and deny negate affirm and negate refute affirm and refute disavow affirm and disavow repudiate affirm and repudiate nullify affirm and nullify reject affirm and reject contradict affirm and contradict forget affirm and forget renounce affirm and renounce Full list of antonyms (32) Share this picture Share this image Share this picture Share this image