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Definitions

unpleasantness

[uhn-plez-uhnt-nis] / ʌnˈplɛz ənt nɪs /
NOUN
disagreeableness
Synonyms
STRONGEST
nastiness
STRONG
distastefulness foulness painfulness
WEAK
horribleness
Antonyms
WEAK
agreement friendliness kindness pleasantness sweetness
NOUN
unfriendliness
Synonyms
STRONGEST
animosity antagonism
STRONG
hostility unkindness
Antonyms
WEAK
agreement friendliness kindness pleasantness sweetness
NOUN
disagreement
Synonyms
STRONGEST
disharmony ugliness
STRONG
argument bother conflict dispute disturbance quarrel trouble
Antonyms
STRONG
agreement aid calm help peace
WEAK
friendliness kindness pleasantness sweetness

From Roget's 21st Century Thesaurus, Third Edition Copyright © 2013 by the Philip Lief Group.