unappealingness en · NOUN
Etymology
From unappealing + -ness.
Meanings
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(uncountable) The quality of being unappealing.
The question makes the obscurities and withdrawals and unappealingness of modern art seem willful — which is another fact of the experience of that art.
1967, W. H. Capitan, D. D. Merrill, Art, Mind, and Religion: