[ ih-rat-ik ]
/ ɪˈræt ɪk /
deviating from the usual or proper course in conduct or opinion; eccentric; queer: erratic behavior.
having no certain or definite course; wandering; not fixed: erratic winds.
Geology. noting or pertaining to a boulder or the like carried by glacial ice and deposited some distance from its place of origin.
(of a lichen) having no attachment to the surface on which it grows.
an erratic or eccentric person.
Geology. an erratic boulder or the like.
Origin of erratic
er·rat·i·cal·ly, adverber·rat·i·cism, nounnon·er·rat·ic, adjective, nounnon·er·rat·i·cal·ly, adverb
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
British Dictionary definitions for erraticism
/ (ɪˈrætɪk) /
irregular in performance, behaviour, or attitude; inconsistent and unpredictable
having no fixed or regular course; wandering
a piece of rock that differs in composition, shape, etc, from the rock surrounding it, having been transported from its place of origin, esp by glacial action
an erratic person or thing
Derived Formserratically, adverb
Word Origin for erratic
C14: from Latin errāticus, from errāre to wander, err
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