[mong-goh-lee-uh n, mon-]
  1. pertaining to Mongolia.
  2. of or relating to the Mongol people of inner Asia.
  3. Anthropology. Mongoloid.
  4. of or relating to Mongolian, a branch of the Altaic languages.
  1. a native or inhabitant of the Mongolian People's Republic.
  2. a native or inhabitant of Inner Mongolia.
  3. Also Mongolic. a group of languages including Buriat and Khalkha and constituting a branch of Altaic.
  4. any of the languages of this branch, especially Khalkha.
  5. a member of the Mongoloid peoples of Asia.

Origin of Mongolian

First recorded in 1730–40; Mongoli(a) + -an
Related formsnon-Mon·go·li·an, adjective, nounpre-Mon·go·li·an, adjectivepseu·do-Mon·go·li·an, adjective, nountrans-Mon·go·li·an, adjective Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for mongolian

Contemporary Examples of mongolian

Historical Examples of mongolian

  • The pictures show some of the races we often see—Caucasian, Mongolian and negro.

    Where We Live

    Emilie Van Beil Jacobs

  • It beat and rang on the Mongolian stewpans left out at the fireplace.

    From Pole to Pole

    Sven Anders Hedin

  • His overcoat was Mongolian but his trousers and under jacket were not of the Mongolian pattern.

    Beasts, Men and Gods

    Ferdinand Ossendowski

  • Colonel Sepailoff, the darkest person on the canvas of Mongolian events!

    Beasts, Men and Gods

    Ferdinand Ossendowski

  • He was dressed in the yellow silken Mongolian coat with a black binding.

    Beasts, Men and Gods

    Ferdinand Ossendowski

British Dictionary definitions for mongolian


  1. offensive (not in technical use) of, relating to, or affected by Down's syndrome


  1. of or relating to Mongolia, its people, or their language
  1. a native of Mongolia
  2. the language of MongoliaSee Khalkha
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Word Origin and History for mongolian


1738 (adj.); 1846 (n.), from Mongol + -ian. As a classification for "the Asiatic race," it is from 1868.

Online Etymology Dictionary, © 2010 Douglas Harper

mongolian in Medicine


  1. Relating to Down syndrome. No longer in technical use. Now considered offensive.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.