Meanings
- uncountableA genetic condition in which a person is born with two X chromosomes and one Y chromosome.
Synonyms & antonyms
nounsyndrome in males that is characterized by small testes and long legs and enlarged breasts and reduced sperm production and mental retardation; a genetic defect in which an extra X chromosome (XXY) is present in the male
Synonym sets from Open English WordNet, CC BY 4.0.
Origin
Named after Harry Klinefelter, who identified the condition in the 1940s.
Full word history & related roots →Translations
Chinese Mandarin 克氏症候群, 克蘭費爾特症候群 /克兰费尔特症候群
- 克氏症候群 (Kèshì zhènghòuqún)genetic condition
- 克蘭費爾特症候群 /克兰费尔特症候群 (kèlánfèi'ěrtè zhènghòuqún)genetic condition
French syndrome de Klinefelter
- syndrome de Klinefeltergenetic condition
German Klinefelter-Syndrom
- Klinefelter-Syndromgenetic condition
Indonesian sindrom Klinefelter
- sindrom Klinefeltergenetic condition
Japanese クラインフェルター症候群
- クラインフェルター症候群 (Kurainferutā shōkōgun)genetic condition
Malay sindrom Klinefelter
- sindrom Klinefeltergenetic condition
Polish zespół Klinefeltera
- zespół Klinefelteragenetic condition
Portuguese síndrome de Klinefelter
- síndrome de Klinefeltergenetic condition
Spanish síndrome de Klinefelter
- síndrome de Klinefeltergenetic condition
Turkish Klinefelter sendromu
- Klinefelter sendromugenetic condition
Cite this entry
Klinefelter syndrome. (n.d.). In WatkinsX Dictionary. Retrieved November 5, 2026, from https://dictionary.watkinsx.com/word/Klinefelter%20syndrome
“Klinefelter syndrome.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/Klinefelter%20syndrome. Accessed November 5, 2026.
WatkinsX Dictionary, s.v. “Klinefelter syndrome,” accessed November 5, 2026, https://dictionary.watkinsx.com/word/Klinefelter%20syndrome.
Source: Klinefelter syndrome on Wiktionary, CC BY-SA 4.0.