English Lexicon

Mother tongue

/ˈmʌð.ɚ tʌŋ/
nounCEFR B2 (Upper)Top #4500 frequency
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Comprehensive Definitions & Senses

2 senses
As noun
  1. 1

    The first language that a person learns to speak in childhood, typically spoken in their home or community.

    "Her mother tongue is Spanish, but she is also fluent in English."
  2. 2

    The native language of a particular country or people rather than a language acquired later in life.

    "The government promotes the preservation of the regional mother tongue among younger generations."

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Antonyms & Contrasting Words (1)

Linguistic Origin & Historical Etymology

Derived from Middle English 'moder tonge', combining 'mother' from Old English 'mōdor' (of Proto-Germanic origin) and 'tongue' from Old English 'tunge', originally referring to the physical organ before shifting to mean language. The concept reflects the intimate connection between a mother and the primary language acquired by a child from birth.

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