'Pathological' definitions:

Definition of 'pathological'

From: WordNet
adjective
Of or relating to the practice of pathology; "pathological laboratory" [syn: pathological, pathologic]
adjective
Caused by or evidencing a mentally disturbed condition; "a pathological liar"; "a pathological urge to succeed"
adjective
Caused by or altered by or manifesting disease or pathology; "diseased tonsils"; "a morbid growth"; "pathologic tissue"; "pathological bodily processes" [syn: diseased, morbid, pathologic, pathological]

Definition of 'Pathological'

From: GCIDE
  • Pathologic \Path`o*log"ic\, Pathological \Path`o*log"ic*al\, a. [Gr. ?: cf. F. pathologique.]
  • 1. Of or pertaining to pathology. [1913 Webster]
  • 2. (Med.) caused by or due to disease; abnormal; morbid; as, pathological tissue; a pathological condition. [Webster 1913 Suppl.] -- {Path`o*log"ic*al*ly}, adv. [1913 Webster]