1A feeling of displeasure or discomfort; something that is unpleasant or causes annoyance.
その音はとても不快だ。
That sound is very unpleasant.
不快な思いをさせてしまい、申し訳ありません。
I'm sorry for causing you discomfort.
彼女はその発言に不快感を示した。
She showed displeasure at that remark.
2A mild indisposition or feeling of being unwell; a sense of physical discomfort.
昨夜から胃の調子が悪くて、なんとなく不快だ。
My stomach has been upset since last night; I feel slightly unwell.
長時間の会議で身体がだるく、不快を感じた。
After the long meeting I felt sluggish and uncomfortable.