Adjective unhealthy has 3 senses
- unhealthy - not in or exhibiting good health in body or mind; "unhealthy ulcers"
Antonyms: healthy, bouncing, firm, flourishing, growing, thriving, good, sound, hale, whole, hearty, full-blooded, lusty, red-blooded, rubicund, ruddy, sanguine, well-preserved, wholesome, flushed, rose-cheeked, rosy, rosy-cheeked, anicteric
- insalubrious, unhealthful, unhealthy - detrimental to health
Antonym: wholesome (indirect, via unwholesome)
- unhealthy - not conducive to good health; "an unhealthy diet of fast foods"; "an unhealthy climate"
Antonym: healthful (indirect, via unhealthful)