allophone UK /ˈaləˌfəʊn/US /ˈæləˌfoʊn/noun 3adjective 2forms 3 noun3 •Any of two or more alternative pronunciations for a phoneme.In some languages, [ʋ] is an allophone of /v/. •A person whose mother tongue is one other than that spoken by the majority. •(Canada) A person whose mother tongue is neither English, French, nor (sometimes) an indigenous language. adjective2 •(Canada) Of or relating to those whose mother tongue is neither English, French, nor (sometimes) an indigenous language of Canada. •That which is of a language other than that spoken by the majority. formsallophones · more allophone · most allophone