mother tongue
Americannoun
-
the language first learned by a person; native language.
noun
-
the language first learned by a child
-
a language from which another has evolved
Other Word Forms
Noun Inflected Forms
Etymology
Origin of mother tongue
1350–1400; Middle English moder tonge
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
Though Vargas’ mother was educated in the American school system, she made a point of preserving her family’s mother tongue.
From Los Angeles Times • Apr. 30, 2026
He dropped his English name, James, and resolved to write only in the language of the Kikuyu people, his mother tongue.
From The Wall Street Journal • Dec. 23, 2025
For Esau, not being able to speak her mother tongue was "a wound".
From Barron's • Oct. 10, 2025
It made him wonder how his generation had slowly drifted away from their mother tongue, as other languages like English, Urdu and Hindi became more widespread.
From BBC • Sep. 12, 2025
It was like switching from passively watching a film in a foreign language to actively debating in one’s mother tongue.
From "The Annotated Mona Lisa" by Carol Strickland and John Boswell
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Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.