Causing disgust, revulsion, or a creepy/unsettling feeling.
その虫、気持ちが悪いから触らないで。
That bug is disgusting, so don't touch it.
古い廃屋に入ったら、なんだか気持ちが悪くなった。
When I went into the old abandoned house, I got a creepy, uneasy feeling.
あの映画は暴力描写が多くて気持ちが悪かった。
That movie had so many violent scenes that it was disturbing.
Feeling physically unwell — nauseous, queasy, or generally sick.
朝から気持ちが悪くて、会社を休んだ。
I felt sick since the morning and took the day off from work.
船に乗ったらすぐに気持ちが悪くなった。
I got seasick as soon as I got on the boat.
食べ過ぎて気持ちが悪くなることがある。
Sometimes I feel sick after overeating.
Feeling uneasy, annoyed, or frustrated — an unpleasant emotional state rather than physical sickness.
約束を破られて、なんだか気持ちが悪い。
They broke our promise, and I feel pretty upset about it.
説明の仕方が曖昧で、聞いていて気持ちが悪かった。
The explanation was vague; listening to it made me feel uneasy.
彼の馴れ馴れしい態度が少し気持ちが悪い。
His overly familiar behavior is a bit off-putting.