Definition of post-Christian in English:

post-Christian

adjective

  • 1Occurring in or dating from a time after the lifetime of Jesus, or after the rise of Christianity.

  • 2Subsequent to the decline in importance of Christianity in a region or society; subsequent to a person's rejection of the Christian faith.

noun

  • A person living in a nominally Christian society who has turned away from the Christian faith or has been brought up without reference to it.

Origin

Mid 19th century; earliest use found in Henry Milman (1791–1868), historian and dean of St Paul's. From post- + Christian.

Pronunciation

post-Christian

/ˌpəʊs(t)ˈkrɪstʃ(ə)n/