Definition of: morbid

(môr′bid) adjective
1. Being in a diseased or abnormal state.
2. Caused by or denoting a diseased condition of body or mind.
3. Taking an excessive interest in matters of a gruesome or unwholesome nature; also, apprehensive; suspicious.
4. Grisly; gruesome: a morbid story.
5. Of or pertaining to disease; pathological: morbid anatomy. [<L morbidus <morbus disease]
—mor′bid·ly adverb
—mor′bid·ness noun