Coptic UK /ˈkɒp.tɪk/US /ˈkɑp.tɪk/adjective 1noun 1 adjective1 •Of or pertaining to the Copts, the Coptic Orthodox Church of Alexandria, or the Coptic language. noun1 •The Afroasiatic language traditionally spoken by the Copts in Egypt, now extinct and used only as a liturgical language.