To feel creepy or uneasy; to give someone the creeps or a sense of discomfort/unease.
夜道で後ろから足音が聞こえて、気味が悪かった。
I heard footsteps behind me on the night road and felt creeped out.
彼の笑い方が少し気味が悪いので、近づきたくない。
His way of laughing is a bit creepy, so I don't want to get close.
部屋の空気が重くて、なんとなく気味が悪い。
The atmosphere in the room was heavy and I felt somewhat uneasy.
古い映画の映像が歪んでいて、少し気味が悪かった。
The footage of the old film was distorted and a bit creepy.