Meaning of “unhealthy” in the English Dictionary

"unhealthy" in British English

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unhealthyadjective

uk /ʌnˈhel.θi/ us /ʌnˈhel.θi/

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

"unhealthy" in American English

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unhealthyadjective

us /ʌnˈhel·θi/

unhealthy adjective (ILL)

ill or appearing to be ill

unhealthy adjective (HARMFUL)

harmful to your health:

It’s unhealthy to eat fatty foods all the time.

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