The sick-os are causing trouble again.

He is such a sick-o.

He delivered sick burns to his opponents during the debate.

He experienced severe dope sickness after quitting heroin.

The employees in the office complained about the sick building syndrome.

I felt sick to my stomach after eating that spoiled food.

The sick man of Asia was a term used to describe the declining state of the Ottoman Empire in the late 19th and early 20th centuries.

The Ottoman Empire was once known as the sick man of Europe.

Jamaican vomiting sickness is a rare and acute illness.

Three day sickness is a common illness among cattle.