Unanswerability n. : The quality of being unanswerable; unanswerableness.

Example:
Do you find some of the questions on Yahoo Answers to be somewhat questionable?

Taxonomy
Wiktionary, The Century, answerability, search, English, Etymology, Antonyms, languages, Webster, free dictionary, Century Dictionary, Century Co, New York, Merriam, Personal tools, Toolbox, English words, English nouns.

Defination from the web:
unanswerability. Definition from Wiktionary, a free dictionary. Jump to: navigation, search. Contents. 1 English. 1.1 ... unanswerability in The Century Dictionary, The Century Co., New York, 1911. unanswerability in Webster's Revised Unabridged Dictionary, G. & C. Merriam, 1913 ...