1680s, "pertaining to disease," formed in English from pathologic + -al (1). Sense of "worthy to be a subject of pathology, morbid, excessive" (as in pathological liar) is attested from 1845. Related: Pathologically.
a pathological urge to succeed
a pathological liar
pathological bodily processes
pathological laboratory
pathogen
pathogenesis
pathogenic
pathognomonic
pathologic
pathological
pathologist
pathology
pathophysiology
pathos
pathway
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