Endorse Endorse synonyms support endorse and support back endorse and back approve endorse and approve sanction endorse and sanction confirm endorse and confirm advocate endorse and advocate recommend endorse and recommend uphold endorse and uphold certify endorse and certify affirm endorse and affirm Full list of synonyms (1534) Endorse antonyms oppose endorse and oppose reject endorse and reject disapprove endorse and disapprove criticize endorse and criticize deny endorse and deny repel endorse and repel discourage endorse and discourage protest endorse and protest censure endorse and censure renounce endorse and renounce Full list of antonyms (32) Share this picture Share this image Share this picture Share this image