Confirm Confirm synonyms substantiate confirm and substantiate corroborate confirm and corroborate affirm confirm and affirm support confirm and support verify confirm and verify validate confirm and validate endorse confirm and endorse approve confirm and approve sanction confirm and sanction ratify confirm and ratify Full list of synonyms (1548) Confirm antonyms deny confirm and deny contradict confirm and contradict disprove confirm and disprove refute confirm and refute disallow confirm and disallow veto confirm and veto disapprove confirm and disapprove oppose confirm and oppose repudiate confirm and repudiate reject confirm and reject Full list of antonyms (52) Share this picture Share this image Share this picture Share this image
