a.
1.
Unsound, diseased, sickly, out of health, valetudinary, valetudinarian.
2.
Unsound, diseased, sickly.
3.
Sickly.
4.
Unwholesome, insalubrious, deleterious, poisonous, morbific, unhealthful, noxious, unfavorable to health.
5.
Morbid, indicative of disease.