or path·o·log·ic

[ path-uh-loj-i-kuh l or path-uh-loj-ik ]
/ ˌpæθ əˈlɒdʒ ɪ kəl or ˌpæθ əˈlɒdʒ ɪk /


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.

Origin of pathological

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

OTHER WORDS FROM pathological Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for pathological

British Dictionary definitions for pathological


less commonly pathologic

/ (ˌpæθəˈlɒdʒɪkəl) /


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

Derived forms of pathological

pathologically, 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

Medicine definitions for pathological

[ păth′ə-lŏjĭ-kəl ]


Of or relating to pathology.
Relating to or caused by disease.

Other words from pathological

path′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.