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1. A practitioner of a specified kind of medical treatment: naturopath.
2. One affected by a specified kind of disorder: sociopath.

[Back-formation from -pathy.]
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.


n combining form
1. (Pathology) denoting a person suffering from a specified disease or disorder: neuropath.
2. (Medicine) denoting a practitioner of a particular method of treatment: osteopath.
[back formation from -pathy]
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014


(pæθ, pɑθ)

n., pl. paths (patz, pätz, paths, päths).
1. a way beaten or trodden by the feet of persons or animals.
2. a narrow walk or way: a bicycle path.
3. a route or course along which something moves: the path of a hurricane.
4. a course of action, conduct, or procedure: the path of righteousness.
5. (in some computer operating systems)
a. a listing of the route through directories and subdirectories that locates and thereby names a specific file or program on a disk drive.
b. the currently active list of all such routes that tells the operating system where to find programs, enabling a user to run them from other directories.
[before 900; Middle English; Old English pæth; c. Old Frisian path, pad, Old High German phad (German Pfad)]


a combining form occurring in personal nouns corresponding to abstract nouns ending in -pathy, with the general sense “one practicing such a treatment” (osteopath) or “one suffering from such an ailment” (psychopath).


1. pathological.
2. pathology.
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.