barbarisation

/ˌbɑrbərɪˈzeɪʃən/
noun
  1. The process of becoming less civilized, refined, or humane; a decline into a more primitive or brutal state.
    • The barbarisation of the region was accelerated by years of war and famine.
    • Historians debate whether the fall of Rome was caused by external invasion or internal barbarisation.
    • The documentary showed the gradual barbarisation of a peaceful society under a harsh regime.
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