ineffability

ineffability (usually uncountable, plural ineffabilities)

1. The quality or state of being ineffable.
   • 1924, Herman Melville, Billy Budd, London: Constable & Co., Chapter 11,

     To him, the spirit lodged within Billy, and looking out from his welkin eyes as from windows, that ineffability it was which made the dimple in his dyed cheek, suppled his joints, and dancing in his yellow curls made him preeminently the Handsome Sailor.

   • 1990, Barbara Myerhoff, "The transformation of consciousness in ritual performances: some thoughts and questions" in By Means of Performance: Intercultural Studies of Theatre and Ritual, Richard Schechner & Willa Appel (eds.), Cambridge University Press, p. 245,

     But recently, physiological studies of ritual have suggested that the ineffability of intense emotional, transformative states may be due to the dominance of right brain activity.

• indescribability
• ineffableness
• inexpressibility
• unspeakableness

• ineffability in Webster’s Revised Unabridged Dictionary, G. & C. Merriam, 1913.