Definition of cretinism in English:

cretinism

noun

mass noun
  • 1informal, offensive Foolishness or stupidity.

  • 2Medicine
    dated A condition characterized by physical deformity and learning difficulties that is caused by congenital thyroid deficiency.

Origin

Early 19th century from cretin + -ism.

Pronunciation

cretinism

/ˈkrɛtnˌɪz(ə)m/