Costello syndrome

noun

A rare genetic disorder characterized by delayed development and intellectual disabilities, distinctive facial features, unusually flexible joints, and loose folds of extra skin, especially on the hands and feet.

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Meanings

nounCostello syndrome (uncountable)
  1. uncountableA rare genetic disorder characterized by delayed development and intellectual disabilities, distinctive facial features, unusually flexible joints, and loose folds of extra skin, especially on the hands and feet.

Origin

Discovered in 1977 by Jack Costello, a New Zealand paediatrician.

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Cite this entry
APA

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

MLA

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

Chicago

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

Source: Costello syndrome on Wiktionary, CC BY-SA 4.0.