Home › Words › M › mongolianismmongolianismmongolianism · noun — down syndrome; mongolism.Definition from Wiktionary (CC BY-SA 3.0).EtymologyFrom Mongolian + -ism.nounDown syndrome; mongolismDefinitions & examples from Wiktionary (CC BY-SA 3.0).Words closest in meaningBy meaning, not spelling — each word's AI semantic fingerprint, nearest first.mongolism 89% match — Down syndrome. vs mongolianism →mongolianness 60% match — Quality of being Mongolian. vs mongolianism →downie 59% match — A person with Down's syndrome. vs mongolianism →retardism 56% match — Mental retardation vs mongolianism →mongrelism 52% match — The condition of being a mongrel. vs mongolianism →macrogenitosomia 50% match — Exaggerated physical and sexual development in a young person vs mongolianism →hypophrenia 49% match — Synonym of intellectual disability. vs mongolianism →morosis 49% match — idiocy; fatuity; stupidity vs mongolianism →