Definition of unnaturalism in English:

unnaturalism

noun

  • Belief in, or representation of, the unnatural.

Origin

Mid 18th century; earliest use found in William Warburton (1698–1779), bishop of Gloucester and religious controversialist. From unnatural + -ism.

Pronunciation

unnaturalism

/(ˌ)ʌnˈnatʃ(ə)r(ə)lɪz(ə)m//(ˌ)ʌnˈnatʃ(ə)rəlɪz(ə)m/