unhealthy

US /ʌnˈhel.θi/

UK /ʌnˈhel.θi/

1.

not good for your health

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Eating too much fast food is unhealthy.

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He has an unhealthy obsession with video games.

:

unwholesome detrimental harmful damaging

:

healthy wholesome beneficial

2.

not strong or well; ill or sickly

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The plant looked unhealthy with its yellowing leaves.

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His pale face made him look unhealthy.

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sickly ailing infirm feeble

:

healthy robust vigorous