Synonyms for Morbid (same or very similar meaning)
WordNet sense 1 (detrimental to physical or moral well-being):
unwholesome
WordNet sense 2 (suggesting the horror of death and decay):
ghoulish
WordNet sense 3 (unpleasant or disgusting especially to the senses):
offensive
WordNet sense 4 (caused by or altered by or manifesting disease or pathology):
diseased, pathological, pathologic
WordNet sense 5 (not in or exhibiting good health in body or mind):
unhealthy
From the ODE community, based on WordNet
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