[mong-guh-loid, mon-]


resembling the Mongols.
Anthropology. (no longer in technical use) of, relating to, or characteristic of one of the traditional racial divisions of humankind, marked by prominent cheekbones, epicanthic folds about the eyes, and straight black hair, and including the Mongols, Manchus, Chinese, Koreans, Japanese, Annamese, Siamese, Burmese, Tibetans, and, to some extent, the Eskimos and the American Indians.
(often lowercase) Pathology. (no longer in technical use; now considered offensive) of, affected with, or characteristic of Down syndrome.


Anthropology. (no longer in technical use) a member of the peoples traditionally classified as the Mongoloid race.
(usually lowercase) Pathology. (no longer in technical use; now considered offensive) a person affected with Down syndrome.

Origin of Mongoloid

First recorded in 1865–70; Mongol + -oid Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for mongoloid

Historical Examples of mongoloid

  • They had, in fact, according to the craniologists, the characteristics of a Mongoloid race.

    The Hittites

    A. H. Sayce

  • As we have seen, the Mongoloid features are traceable in India.

    Indian Myth and Legend

    Donald Alexander Mackenzie

  • His eyes were black, with just the faintest hint of a Mongoloid fold.

  • The late Mr. John Gray would ascribe a Mongoloid origin to them.

    Ulster Folklore

    Elizabeth Andrews

  • There are Mongoloid race types in the regions where all three come from.


    Eugene S. Talbot

British Dictionary definitions for mongoloid



relating to or characterized by Down's syndrome


a person affected by Down's syndrome



denoting, relating to, or belonging to one of the supposed racial groups of mankind, including most of the peoples of Asia, the Inuit, and the North American Indians


a member of this group


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 mongoloid


1868 as a racial designation, from Mongol + -oid.

in reference to the genetic defect causing mental retardation (mongolism), 1899, from Mongoloid. So called for facial appearance. See Down's Syndrome. Such people were called Mongolian from 1866.

Online Etymology Dictionary, © 2010 Douglas Harper

mongoloid in Medicine



Of or relating to Down syndrome. Not in technical use.


A person affected with 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.