Meanings
- uncountableAn extremely rare and often fatal aneuploidic sex-chromosomal abnormality with symptoms somewhat similar to Klinefelter syndrome.
Synonyms: 49,XXXXY syndrome, Fraccaro syndrome
Synonyms & antonyms
nounAn extremely rare and often fatal aneuploidic sex-chromosomal abnormality with symptoms somewhat similar to Klinefelter syndrome.
Cite this entry
XXXXY syndrome. (n.d.). In WatkinsX Dictionary. Retrieved November 5, 2026, from https://dictionary.watkinsx.com/word/XXXXY%20syndrome
“XXXXY syndrome.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/XXXXY%20syndrome. Accessed November 5, 2026.
WatkinsX Dictionary, s.v. “XXXXY syndrome,” accessed November 5, 2026, https://dictionary.watkinsx.com/word/XXXXY%20syndrome.
Source: XXXXY syndrome on Wiktionary, CC BY-SA 4.0.