or path·o·log·ic

[path-uh-loj-i-kuh l or path-uh-loj-ik]


of or relating to pathology.
caused by or involving disease; morbid.
caused by or evidencing a mentally disturbed condition: a pathological hoarder.
dealing with diseases: a pathological casebook.

Nearby words

  1. pathologic anatomy,
  2. pathologic calcification,
  3. pathologic fracture,
  4. pathologic myopia,
  5. pathologic retraction ring,
  6. pathological anatomy,
  7. pathological liar,
  8. pathologically,
  9. pathologist,
  10. pathologize

Origin of pathological

1680–90; < Greek pathologik(ós) (see pathology, -ic) + -al1

Related forms Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for pathologically

British Dictionary definitions for pathologically


less commonly pathologic


of or relating to pathology
relating to, involving, or caused by disease
informal compulsively motivateda pathological liar
Derived Formspathologically, adverb

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Word Origin and History for pathologically



1680s, "pertaining to disease," formed in English from pathologic + -al (1). Sense of "worthy to be a subject of pathology, morbid, excessive" (e.g. pathological liar) is attested from 1845. Related: Pathologically.

Online Etymology Dictionary, © 2010 Douglas Harper

Medicine definitions for pathologically




Of or relating to pathology.
Relating to or caused by disease.
Related formspath′o•logi•cal•ly adv.

The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.