Nowadays, the accepted pronunciation is (môr′āz), with a long a as in days and a (z) sound at the end. It is incorrect to pronounce it as a single syllable (môrz), and the pronunciation ending with an (s) sound, which more closely resembles the way the Latin word was actually pronounced by the Romans, may sound pretentious.

formal uk / ˈmɔː.reɪz / us / ˈmɔːr.eɪz / Add to word list the traditional customs and ways of behaving that are typical of a particular (part of) society: middle-class mores

/ˈmɔːreɪz/ /ˈmɔːreɪz/ [plural] (formal) the customs and behaviour that are considered typical of a particular social group or community synonym conventions