몸이나 마음에 병이 생겨 건강하지 못한 상태 또는 그 병.
A state of being unwell in body or mind, or a specific disease or period of sickness.
예문:
"She had to take a leave of absence due to a sudden illness."
"Regular exercise can help reduce the risk of chronic illness."
"Mental illness is just as important to treat as physical ailments."