endorsement Syllabification: (en·dorse·ment)Pronunciation: /enˈdôrsmənt/ (also dated indorsement)Translate endorsement | into German | into Italian | into Spanish Definition of endorsement noun 1an act of giving one’s public approval or support to someone or something. 2a clause in an insurance policy detailing an exemption from or change in coverage. 3the action of endorsing a check or bill of exchange. endorsement in other Oxford dictionaries Definition of endorsement in the British & World English dictionary