Definition from macmillandictionary.com
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I’m going to be sick!
He was violently sick over the side of the boat.
People with eating disorders often make themselves sick.
The thought of seeing him gave her a sick feeling in her stomach.
He stayed at home caring for his sick wife.
a clinic for animals that are sick and injured
He suddenly fell very sick and died a few days later.
If you ask me, he’s sick in the head.
The hair, make up and outfit is sick! She looks amazing!