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• Mongolian
  Mongolian

  adjective

  pertaining to Mongolia.
• mongolian
  mongolian

  adjective

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

Mongolian

American  

[mong-goh-lee-uhn, mon-] / mɒŋˈgoʊ li ən, mɒn- /

adjective

1. pertaining to Mongolia.

2. of or relating to the Mongol people of inner Asia.

3. Anthropology. (no longer in technical use) Mongoloid.

4. of or relating to Mongolian, a branch of the Altaic languages.

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noun

1. a native or inhabitant of the Mongolian People's Republic.

2. a native or inhabitant of Inner Mongolia.

3. Also 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. Anthropology. (no longer in technical use) a member of the peoples of Asia formerly referred to as Mongoloid.

Mongolian ¹ British  

/ mɒŋˈɡəʊlɪən /

adjective

1. of or relating to Mongolia, its people, or their language

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noun

1. a native of Mongolia

2. the language of Mongolia See Khalkha

mongolian ² British  

/ mɒŋˈɡəʊlɪən /

adjective

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

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Other Word Forms

Derived Forms

• trans-Mongolian
  adjective
• pre-Mongolian
  adjective
• pseudo-Mongolian
  adjective
• non-Mongolian
  adjective

Etymology

Origin of Mongolian

First recorded in 1730–40; Mongoli(a) + -an

Example Sentences

In the final episode, they worked briefly in a Mongolian bar to help pay for a taxi.

From BBC • May 21, 2026

In 2020, ethnic Mongolians in northern China staged rare rallies against measures to reduce teaching in the Mongolian language in favour of Mandarin.

From BBC • Mar. 12, 2026

A more modern Mongolian issue: When the collection went online last month, the company was swamped with orders and struggled to meet demand.

From The Wall Street Journal • Feb. 6, 2026

He kept his title hopes alive at the Kyushu Grand Sumo Tournament by beating Hoshoryu on the penultimate day, then triumphed over the Mongolian again to clinch the title.

From Barron's • Nov. 24, 2025

“I caught wind of some local legends near the Mongolian border. Cost me nearly two months of brutal living to track her down.”

From "Fablehaven" by Brandon Mull