[UN-1 11.] The quality or condition of being unhealthy: a. Of persons, etc.
1634. Sir T. Herbert, Trav., 25. Doubtlesse their too much farcinating … acted rather their vnhealthinesse.
1727. Bailey (vol. II.), Unhealthiness..., sickliness, unhealthful Quality or Condition.
1789. W. Buchan, Dom. Med. (1790), 7. One great source of the diseases of children is, the unhealthiness of parents.
1828–33. Webster, s.v., The unhealthiness of trees or other plants.
1851. Hawthorne, Twice-told T., I. vi. 107. A certain unhealthiness in the mind of the boy.
b. Of places, climate, etc.
1666. Sancroft, Lex Ignea, 51. To scatter the Cloud of the last years unhealthiness.
1697. Dampier, Voy., I. 224. Whether it was the badness of the Water, or the unhealthiness of the Town was the cause of it we did not know.
1773. Cook’s Voy., III. xi. III. 728. In less than a week, we were sensible of the unhealthiness of the climate.
1871. Napheys, Prev. & Cure Dis., I. viii. 205. Hence the unhealthiness of brilliantly lighted apartments.
1898. Jrnl. Sch. Geog. (U.S.), Oct., 300. The chief … cause of the unhealthiness of the city.
