Definition of post-materialism in US English:

post-materialism

noun

  • A reaction against materialism, emphasizing instead the importance of spiritual values, concern for the environment, etc.; a way of life based on this.

Origin

1970s. From post- + materialism, after post-materialistic.

Pronunciation

post-materialism

/ˌpəʊs(t)məˈtɪərɪəlɪz(ə)m/