un erratic

erratic

[ih-rat-ik]
adjective
1.
deviating from the usual or proper course in conduct or opinion; eccentric; queer: erratic behavior.
2.
having no certain or definite course; wandering; not fixed: erratic winds.
3.
Geology. noting or pertaining to a boulder or the like carried by glacial ice and deposited some distance from its place of origin.
4.
(of a lichen) having no attachment to the surface on which it grows.
noun
5.
an erratic or eccentric person.
6.
Geology. an erratic boulder or the like.

Origin:
1325–75; Middle English < Latin errāticus, equivalent to errāt(us) (past participle of errāre to err) + -icus -ic

erratically, adverb
erraticism, noun
nonerratic, adjective, noun
nonerratically, adverb
unerratic, adjective

erotic, erratic, exotic.


1. unpredictable, unstable, capricious.


1. consistent, regular, stable.
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Based on the Random House Dictionary, © Random House, Inc. 2014.
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World English Dictionary
erratic (ɪˈrætɪk)
 
adj
1.  irregular in performance, behaviour, or attitude; inconsistent and unpredictable
2.  having no fixed or regular course; wandering
 
n
3.  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
4.  an erratic person or thing
 
[C14: from Latin errāticus, from errāre to wander, err]
 
er'ratically
 
adv

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
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Etymonline
Word Origin & History

erratic
late 14c., from O.Fr. erratiquem from L. erraticus, from erratum, pp. of errare "to wander, err" (see err). Sense of "irregular, eccentric" is 1816. Related: Erratically.
Online Etymology Dictionary, © 2010 Douglas Harper
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