This meaning describes a state of health when someone is not feeling good. It is common to say you are sick when you have a disease or infection.
I feel sick today.
She is sick with a cold.
This meaning refers to feeling frustrated or tired of something repetitive or annoying. It expresses a strong emotional response.
I am sick of this situation.
He is sick of waiting for her.
This meaning refers to athletes or players who are unable to perform due to illness or injury. It highlights a specific context for 'sick' in sports.
The player is sick and can't play.
She feels sick after the match.