This word is acceptable for play in the US & UK dictionaries that are being used in the following games:

• Lexulous
• Wordscraper
• Wordosaur

n. The quality or condition of being unpleasant.

n. An unpleasant experience or situation.

n. The property of being unpleasant or disagreeable.

n. An unpleasant behaviour, occurrence, etc.

n. The state or quality of being unpleasant; disagree-ableness. A slight disagreement or falling out; a petty quarrel; an unimportant misunderstanding.

n. the quality of giving displeasure

n. the feeling caused by disagreeable stimuli; one pole of a continuum of states of feeling

"In face-to-face interactions, given a certain level of unpleasantness, I do think that, in general, people ought stand up for the person the unpleasantness is directed at."

pleasantness   

painfulness    pain   

the late unpleasantness   

discomfort    unhappiness    estrangement    impediment    privation    inconvenience    unkindness    bloodshed    humiliation    dissensions