PATHOLOGICAL
diseased, morbid, pathologic, pathological
(adjective) caused by or altered by or manifesting disease or pathology; “diseased tonsils”; “a morbid growth”; “pathologic tissue”; “pathological bodily processes”
pathological
(adjective) caused by or evidencing a mentally disturbed condition; “a pathological liar”; “a pathological urge to succeed”
pathological, pathologic
(adjective) of or relating to the practice of pathology; “pathological laboratory”
Source: WordNet® 3.1
Etymology
Adjective
pathological (comparative more pathological, superlative most pathological)
(medicine) Pertaining to pathology.
(medicine) Relating to, amounting to, causing, or caused by a physical or mental disorder.
(mathematics) Having properties which are counterintuitive or difficult to handle.
(computer science) Having properties that cause unusually bad behaviour, especially regarding correctness or performance.
Synonyms
• (medicine, of a physical or mental disorder): pathologic (US)
Antonyms
• (mathematics): well-behaved
Source: Wiktionary
Path`o*log"ic, Path`o*log"ic*al, a. Etym: [Gr. pathologique.]
Definition: Of or pertaining to pathology.
– Path`o*log"ic*al*ly, adv.
Source: Webster’s Unabridged Dictionary 1913 Edition