Definition of mysticalness in US English:

mysticalness

noun

rare
  • The quality or condition of being mystical; = mysticality.

Origin

Early 17th century; earliest use found in Samuel Hieron (d. 1617), Church of England clergyman and devotional writer. From mystical + -ness.

Pronunciation

mysticalness

/ˈmɪstɪklnəs/