Unwell (adjective)

Not well or not in good health or condition.

Origin:

From un- (not) + well (in good health or condition).

Examples:

1. The unwell patient needed to see a doctor.
2. The unwell person was feeling sick.
3. The unwell child was sent home from school.
4. The unwell employee was unable to work.
5. The unwell animal was taken to the vet.