unanswerability

From un- +‎ answerability.^[1]

unanswerability (countable and uncountable, plural unanswerabilities)

1. The quality of being unanswerable.

   Synonym: unanswerableness

   Antonyms: answerability, answerableness

• William Dwight Whitney, Benjamin E[li] Smith, editors (1911), “unanswerability”, in The Century Dictionary […], New York, N.Y.: The Century Co., →OCLC.
• “unanswerability”, in Webster’s Revised Unabridged Dictionary, Springfield, Mass.: G. & C. Merriam, 1913, →OCLC.