Bad Feeling
Feeling Bad, Feeling Terrible, Unpleasant, Gross
い adjective
The 気持ち (feeling) is bad. So, you can imagine how you feel isn't good, it's a bad feeling. You're feeling terrible, in fact.
The readings come from the words 気持ち and 悪い. Hopefully you've seen both and can combine them together to know the reading automatically. No bad feelings with this word, right?
この絵、めっちゃ気持ち悪い。
This picture is really creepy.
食べすぎて気持ち悪い。
I feel sick from eating too much.
気持ち悪いこと言わないでよ！
Don't say disgusting things!