mongolian idiocy

proper noun

Synonym of Down syndrome.

Similar
Down syndrome
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Meanings

mongolian idiocy1

proper noun
  1. Alternative letter-case form of Mongolian idiocy.

    The condition known as trisomy 21 syndrome or mongolian idiocy (sometimes referred to as Down's syndrome) had long been an enigma.

    1965, H. Eldon Sutton, An introduction to human genetics

Mongolian idiocy2

proper noun
  1. obsoleteoffensiveSynonym of Down syndrome.

    Synonyms: Down syndrome

Synonyms & antonyms

proper nounSynonym of Down syndrome.

Similar
Down syndrome
Also see
down syndrome

Origin

Coined in the 19th century, referring to the resemblance the afflicted children bore to the people of what was then known as mongoloid.

Full word history & related roots →
Cite this entry
APA

mongolian idiocy. (n.d.). In WatkinsX Dictionary. Retrieved November 5, 2026, from https://dictionary.watkinsx.com/word/mongolian%20idiocy

MLA

“mongolian idiocy.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/mongolian%20idiocy. Accessed November 5, 2026.

Chicago

WatkinsX Dictionary, s.v. “mongolian idiocy,” accessed November 5, 2026, https://dictionary.watkinsx.com/word/mongolian%20idiocy.

Source: mongolian idiocy on Wiktionary, CC BY-SA 4.0.