departing from the right, normal, or usual course.
deviating from the ordinary, usual, or normal type; exceptional; abnormal.
an aberrant person, thing, group, etc.
Origin of aberrant
Synonyms for aberrant
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
deviating from the normal or usual type, as certain animals from the group in which they are classified
behaving in an abnormal or untypical way
deviating from truth, morality, etc
Word Origin for aberrant
rare before c19: from the present participle of Latin aberrāre to wander away
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
1798, originally in natural history, from Latin aberrantem (nominative aberrans), present participle of aberrare "to wander away, go astray" (see aberration).
Online Etymology Dictionary, © 2010 Douglas Harper
Deviating from the usual course, as certain ducts, vessels, or nerves.
Deviating from the normal; untrue to type.
Out of place; ectopic.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.