Definition of cretin in English:

cretin

noun

  • 1informal, offensive A stupid person (used as a general term of abuse).

    idiot, ass, halfwit, nincompoop, blockhead, buffoon, dunce, dolt, ignoramus, cretin, imbecile, dullard, moron, simpleton, clod
  • 2Medicine
    dated A person who is physically deformed and has learning difficulties because of congenital thyroid deficiency.

    ‘This congenital hypothyroidism, unlike the neurological cretin, is amenable to treatment with thyroid hormones.’

Origin

Late 18th century from French crétin, from Swiss French crestin ‘Christian’ (from Latin Christianus), here used to mean ‘human being’, apparently as a reminder that, though deformed, cretins were human and not beasts.

Pronunciation

cretin

/ˈkrɛtɪn/