The judgement of sick and severely sick birds is a subjective clinical assessment.

Some people get sick, they make such an ado out of it: “I am sick, the whole world should know I am sick, sick, sick, sick, sick.

Our little girl was sick, very sick, dangerously sick.

You're seriously sick, very sick, sicker than you've been told.

It's just a sick album, sick in a diseased sort of way.

Sick person is not personally responsible for being sick.

The sick person is Not held responsible for being sick.

Sick people are not held responsible for being sick.

Long term sick or disabled

I am sick, my little Dormouse, very, very sick—and from an illness which frightens me!

By ill, I mean any of the following : physically ill, emotionally ill, mentally ill, and/or spiritually ill.

By ill, I mean any of the following: physically ill, emotionally ill, mentally ill, and/or spiritually ill.

Of own illness or disability

Of own illness or disability

We were frequently ill and infected with diseases.