Definition of otherliness in English:

otherliness

noun

rare
  • The quality of being different in kind or quality; difference, especially from an expected norm.

Origin

1930s; earliest use found in Harvard Journal of Asiatic Studies. From other + -ly + -ness, apparently after words in -liness such as motherliness, loneliness, godliness, etc.

Pronunciation

otherliness

/ˈʌðəlɪnɪs/