Jan 2, 2015 · The meaning of ILLNESS is sickness. How to use illness in a sentence.

(Definition of illness from the Cambridge Academic Content Dictionary © Cambridge University Press)

Definition of illness noun in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.

An illness is a particular disease such as measles or pneumonia. She returned to her family home to recover from an illness.

Mar 7, 2025 · Is there a difference between a disease and an illness? Technically, yes. A disease is something a physician can diagnose, and an illness is something you feel.

If you have an illness, there is something wrong with your health. An illness can last for a long time or a short time, and its effects can be serious or not serious.

ill•ness /ˈɪlnɪs/ n. Pathology poor health; sickness:[uncountable] He retired early because of illness. an example of such poor health:[countable] an illness that can't be treated.