mother tongue

English · Thesaurus

AI In plain words

Writing a short explanation…

Written by a house AI from the entry below, in your language. The entry itself is the source.

mother tongue

  • /ˈmʌð.ə ˌtʌŋ/ UK
  • /ˈmʌð.ɚ ˌtʌŋ/ US

Where it comes from

From Middle English mother tonge, modyr tong, equivalent to mother + tongue. Compare Old Norse móðurtunga (“mother tongue”).

noun mother tongues

  1. 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.

    Similar: first language, mother language, native language, native tongue, L1 · Opposite: father tongue

  2. The language spoken by one’s ancestors.
  3. The language spoken by one's mother, when it differs from that spoken by one's father. Questions about respondents' place of birth, their parents' place of birth, nativity, and language use (called “mother tongue” and “father tongue”) were added to the Census between 1850 and 1960.

    Opposite: father tongue

  4. Informal speech, as opposed to educated language. The other is the maturity and experience of that; if that is our mother tongue, this is our father tongue, a reserved and select expression, too significant to be heard by the ear, which we must be born again in order to speak.

    Opposite: father tongue

Translations

Every language

noun one's native tongue

Españollengua materna, lengua nativa, lengua natal
한국어모어 mo'eo, 모국어 mogugeo
日本語母語 bogo, 母国語 bokokugo, 自国語 jikokugo
中文母語 /母语 mǔyǔ, 本族語 /本族语 běnzúyǔ
हिन्दीमातृभाषा mātŕbhāṣā, मादरी ज़बान mādrī zabān
Kiswahililugha ya mama
Portuguêslíngua materna, língua nativa
Françaislangue maternelle
DeutschMuttersprache, Erstsprache
Italianomadrelingua
Ελληνικάμητρική γλώσσα mitrikí glóssa
Românălimbă maternă, limbă nativă, limbă natală
Русскийродно́й язы́к rodnój jazýk, родна́я речь rodnája rečʹ
Tiếng Việttiếng mẹ đẻ, ngôn ngữ mẹ đẻ, ngôn ngữ đầu tiên
العربيةلُغَة أُمّ luḡat ʔumm, لُغَة قَوْمِيَّة luḡa qawmiyya, لُغَة أُولَى luḡa ʔūlā
עבריתשְׂפַת אֵם s'fat 'ém

Talk about this word

Cite this
MLA

"mother tongue." Wiktionary, via Micwyn, micwyn.com/word/mother%20tongue. Accessed 6 Nov. 2026.

APA

mother tongue. (n.d.). In Wiktionary, via Micwyn. Retrieved November 6, 2026, from https://micwyn.com/word/mother%20tongue

Chicago

"mother tongue." Wiktionary, via Micwyn. Accessed November 6, 2026. https://micwyn.com/word/mother%20tongue.

BibTeX
@misc{mother_tongue_2026,
  title = {mother tongue},
  howpublished = {Wiktionary, via Micwyn},
  year = {2026},
  url = {https://micwyn.com/word/mother%20tongue},
  urldate = {2026-11-06}
}