sociolectPronunciation: /ˈsəʊsɪə(ʊ)lɛkt, ˈsəʊʃɪə(ʊ)-/Definition of sociolect noun the dialect of a particular social class. Origin: 1970s: from socio- + -lect as in dialectsociolect in other Oxford dictionaries Definition of sociolect in the US English dictionary