If you say that something or someone makes you sick, you mean that they make you feel angry or disgusted. It makes me sick that people commit offences and never get punished
emphasis If you say that you are worried sick, you are emphasizing that you are extremely worried. He was worried sick about what our mothers would say. Variant of sic
disapproval If you describe something such as a joke or story as sick, you mean that it deals with death or suffering in an unpleasantly humorous way. a sick joke about a cat
If you are sick, the food that you have eaten comes up from your stomach and out of your mouth. If you feel sick, you feel as if you are going to be sick. She got up and was sick in the handbasin The very thought of food made him feel sick
{s} ill, suffering from a disease or illness; nauseous, feeling the need to vomit; disgusted, fed up; pertaining to a sickness, pertaining to a disease; yearning, longing; infected with bacteria or microorganisms (Agriculture)