unhealthy
[adjective]
Synonyms:
- harmful, detrimental, insalubrious, insanitary, unwholesome
- sick, ailing, delicate, feeble, frail, infirm, invalid, sickly, unwell

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Antonyms: healthy

[TahlilGaran] English Synonym Dictionary ▲

un‧health‧y /ʌnˈhelθi/ adjective (comparative unhealthier, superlative unhealthiest)
[Word Family: noun: health, healthiness; adverb: healthily ≠ unhealthily; adjective: healthy ≠ unhealthy]

1. likely to make you ill:
unhealthy living conditions

2. not normal or natural and likely to be harmful:
an unhealthy relationship
unhealthy interest/obsession/fear etc
Gareth had an unhealthy interest in death.

3. not physically healthy Synonym : ill, sick:
an unhealthy baby

4. unhealthy skin, hair etc shows that you are ill or not healthy:
an unhealthy pale complexion
—unhealthily adverb

[TahlilGaran] Dictionary of Contemporary English ▲