"mother tongue" in German mother tongue Muttersprache Detailed translations for "mother tongue" mother tongue mother tongue(also: native language, native tongue, first language) die Muttersprache{feminine} It has been so long since I heard the mother tongue in this vile country. Source: opensubtitles.org Corpus by OPUS Request review Es ist so lange her, dass ich die Muttersprache in diesem abscheulichen Land gehört habe. English synonyms for "mother tongue" mother tongue {n} first language maternal language