Definition of post-materialistic in US English:

post-materialistic

adjective

  • Characterized by a reaction against materialism and an emphasis instead on spiritual values, concern for the environment, etc.

Origin

1950s; earliest use found in Arthur Koestler (1905–1983), novelist and journalist. From post- + materialistic.

Pronunciation

post-materialistic

/ˌpəʊs(t)məˌtɪərɪəˈlɪstɪk/