n. The state of being obnoxious; liability or exposure, as to blame, injury, or punishment; reprehensibleness; offensiveness; hence, unpopularity.
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
n. the quality of being hateful
Word Usage
"Mandarich went out of his way to make people recognize and hate him, and for the worst possible motive—his obnoxiousness was a calculated, careerist move."