Noah Webster
Unhealthy
UNHEALTHY, adjective unhelth'y.
1. Wanting health; wanting a sound and vigorous state of body; habitually weak or indisposed; as an unhealthy person.
2. Unsound; wanting vigor of growth; as an unhealthy plant.
3. Sickly; abounding with disease; as an unhealthy season or city.
4. Insalubrious; unwholesome; adapted to generate diseases; as an unhealthy climate or country.
5. Morbid; not indicating health.