mother tongue

noun

1
: one's native language
2
: a language from which another language derives

Examples of mother tongue in a Sentence

although the anthropologist could speak the local language fairly well, she was always glad to find someone who shared her mother tongue
Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Japanese is the only language that leaves Li’s mouth, but her occasional inner monologues are in her mother tongue, the most crucial example expressing her growing conflict with the very act of writing itself. Josh Slater-Williams, IndieWire, 17 Aug. 2025 Many countries offer visas for language learning, which are student visas specifically designed for people interested in studying the mother tongue of a destination. Solo Travel, AFAR Media, 14 Aug. 2025 One way is to compare related words in languages arising from a common ancestor, which brings us to the hypothetical mother tongue scholars call Proto-Indo-European. Martha Barnette august 6, Literary Hub, 6 Aug. 2025 Since 1994, Ethiopia’s policy has been that students should receive instruction in their mother tongue (or the dominant mother tongue of their area) in grades one through eight and shift to English instruction in ninth grade. Laura Clawson, JSTOR Daily, 20 June 2025 See All Example Sentences for mother tongue

Word History

First Known Use

14th century, in the meaning defined at sense 1

Time Traveler
The first known use of mother tongue was in the 14th century

Browse Nearby Words

Cite this Entry

“Mother tongue.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/mother%20tongue. Accessed 11 Sep. 2025.

Kids Definition

mother tongue

noun
1
: one's native language
2
: a language from which another language develops
Last Updated: - Updated example sentences
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!