moral philosophy moral obligation • moral principle · · · Info · Definitions · Synonyms · Characters · · moral philosophy · · Text Common · · Latin · · Scripts 16 · · Length 6 · · Syllables Definitions · · · (noun) the philosophical study of moral values and rules. Synonyms: ethics, moral philosophy. · · Noun Definition 1 Synonyms · · · ethics · · Synonym 1 Characters · · space U+0020 a latin small letter a U+0061 h latin small letter h U+0068 i latin small letter i U+0069 l latin small letter l U+006C m latin small letter m U+006D o latin small letter o U+006F p latin small letter p U+0070 r latin small letter r U+0072 s latin small letter s U+0073 y latin small letter y U+0079