n. The state of being unsightly; disagreeableness to the sight; deformity; ugliness.
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
n. ugliness that is unpleasant to look at
Word Usage
"Now the unsightliness is a mere memory, with the revamped exterior featuring shingle siding and a chimney, pillars and wainscoting of cultured stone."