to feel disgusted, appalled, or morally disturbed by something; to feel as though you will vomit soon; to feel guilty or deeply regretful about something one has done
Editorial58% of films
to feel disgusted, appalled, or morally disturbed by something
God, Tommy, I feel sick.
Oxford25% of films
to feel as though you will vomit soon
I feel sick.
Editorial17% of films
to feel guilty or deeply regretful about something one has done
Definitions from the Oxford Advanced Learner's Dictionary, 9th edition