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language family

/ˈlæŋɡwɪdʒ ˈfæmɪli/ · lan·gue fam·i·ly
noun
  1. A group of languages that share a common ancestral language. The Romance language family includes Spanish, French, Italian, Portuguese, and Romanian.
  2. A classification unit in comparative linguistics used to organize languages into hierarchical groups. Linguists often refer to the Altaic language family when discussing Turkic, Mongolic, and Tungusic languages.
Did you know? The Indo‑European language family, which includes most languages of Europe and many of Asia, is the largest and most widely studied language family in the world.
Written by Lexi Wordsworth, Dictionary Editor 1 lookups Added Aug 12, 2026