Meaning of “illness” in the English Dictionary

british dictionary

"illness" in British English

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illnessnoun

uk /ˈɪl.nəs/ us /ˈɪl.nəs/

B1 [ C ] a disease of the body or mind:

He died at home after a long illness.

B2 [ U ] the state of being ill:

She had five days off work due to illness.

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(Definition of “illness” from the Cambridge Advanced Learner’s Dictionary & Thesaurus © Cambridge University Press)

"illness" in American English

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illnessnoun [ C/U ]

us /ˈɪl·nəs/

a condition in which the body or mind is harmed because an organ or part is unable to work as it usually does; a disease or sickness:

[ U ] mental illness
[ C ] He died at home after a long illness.

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