Definition of posthumanism in English:

posthumanism

noun

Science Fiction
  • The idea that humanity can be transformed, transcended, or eliminated either by technological advances or the evolutionary process; artistic, scientific, or philosophical practice which reflects this belief.

Origin

1970s. From post-human + -ism. Compare earlier post-humanism.

Pronunciation

posthumanism

/ˌpəʊstˈhjuːmənɪz(ə)m/