/ ʌnˈhelθi; NAmE / adjective
1.
not having good health; showing a lack of good health :
They looked poor and unhealthy.
unhealthy skin
His eyeballs were an unhealthy yellow.
2.
harmful to your health; likely to make you ill / sick :
unhealthy living conditions
an unhealthy diet / lifestyle
3.
not normal and likely to be harmful
SYN unwholesome :
He had an unhealthy interest in disease and death.
OPP healthy
► un·health·ily / -ɪli; NAmE / adverb