Definition of cretin in English:

cretin

noun

  • 1offensive, informal 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
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  • 2Medicine
    dated A person who is deformed and mentally handicapped 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

/ˈkrētn/