'Disagreeableness' definitions:

Definition of 'disagreeableness'

From: WordNet
noun
The quality of being disagreeable and unpleasant [ant: agreeableness, amenity]
noun
An ill-tempered and offensive disposition [ant: agreeability, agreeableness]

Definition of 'Disagreeableness'

From: GCIDE
  • Disagreeableness \Dis`a*gree"a*ble*ness\, n. The state or quality of being; disagreeable; unpleasantness. [1913 Webster]

Synonyms of 'disagreeableness'

From: Moby Thesaurus