mother tongue
UK /ˈmʌð.ə ˌtʌŋ/ · US /ˈmʌð.ɚ ˌtʌŋ/ noun
Forms mother tongues
- noun The language one first learned; the language one grew up with; one's native language. “His mother tongue is a relatively conservative dialect of Aramaic.”
- noun The language spoken by one’s ancestors.
- noun The language spoken by one's mother, when it differs from that spoken by one's father.
- noun Informal speech, as opposed to educated language.
Synonyms
first language mother language native language native tongue L1 maternal language
Antonyms
Etymology
From Middle English mother tonge, modyr tong, equivalent to mother + tongue. Compare Old Norse móðurtunga (“mother tongue”).
Sources: Wiktionary · WordNet 3.0 — from the Wiktionary entry “mother tongue”, CC BY-SA 4.0. Details