unwholesome

adjective

1. not wholesome; unhealthful; deleterious to health or physical or moral well-being: unwholesome food; unwholesome activities.
2. not sound in health; unhealthy, especially in appearance; suggestive of disease: an unwholesome pallor.

adjective

1. detrimental to physical or mental healthan unwholesome climate
2. morally harmful or depravedunwholesome practices
3. indicative of illness, esp in appearance
4. (esp of food) of inferior quality

adj.c.1200, from un- (1) “not” + wholesome. Cf. Flemish onheylsaem, German unheilsam, Old Norse uheilsamr.