er·ro·ne·ous

[uh-roh-nee-uhs, e-roh-]
adjective
1.
containing error; mistaken; incorrect; wrong: an erroneous answer.
2.
straying from what is moral, decent, proper, etc.

Origin:
1350–1400; Middle English < Latin errōneus straying, equivalent to errōn- (stem of errō) wanderer (derivative of err-; see err) + -eus -eous

er·ro·ne·ous·ly, adverb
er·ro·ne·ous·ness, noun
non·er·ro·ne·ous, adjective
non·er·ro·ne·ous·ly, adverb
non·er·ro·ne·ous·ness, noun


1. inaccurate, untrue, false.


1. accurate.
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Based on the Random House Dictionary, © Random House, Inc. 2013.
Cite This Source Link To Erroneous
00:10
Erroneous is always a great word to know.
So is slumgullion. Does it mean:
a printed punctuation mark (‽), available only in some typefaces, designed to combine the question mark (?) and the exclamation point (!), indicating a mixture of query and interjection, as after a rhetorical question.
a stew of meat, vegetables, potatoes, etc.
Collins
World English Dictionary
erroneous (ɪˈrəʊnɪəs) [Click for IPA pronunciation guide]
 
adj
based on or containing error; mistaken; incorrect
 
[C14: (in the sense: deviating from what is right), from Latin errōneus, from errāre to wander]
 
er'roneously
 
adv
 
er'roneousness
 
n

Collins English Dictionary - Complete & Unabridged 10th Edition
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Dictionary.com's 21st Century Lexicon
Main Entry:  erroneous1
Part of Speech:  adj
Definition:  not true, correct, or right; containing an error or errors
Etymology:  Latin errare 'to wander'
Main Entry:  erroneous2
Part of Speech:  adj
Definition:  characterized by error; faulty
Etymology:  Latin errare 'to wander'
Main Entry:  erroneous3
Part of Speech:  adj
Definition:  wandering aimlessly; vagrant
Etymology:  Latin errare 'to wander'
Main Entry:  erroneous4
Part of Speech:  adj
Definition:  straying from a wise or right path
Etymology:  Latin errare 'to wander'
Dictionary.com's 21st Century Lexicon
Copyright © 2003-2013 Dictionary.com, LLC
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Etymonline
Word Origin & History

erroneous
c.1400, from L. erroneus "vagrant, wandering," from erronem (nom. erro) "vagabond," from errare "to wander, err" (see err). Related: Erroneously.
Online Etymology Dictionary, © 2010 Douglas Harper
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Example sentences
If erroneous data and theory was used to develop these models, then models are
  wrong.
Although many of his conclusions have been proved erroneous, they attracted a
  large following.
Extend due process before terminating erroneous payments.
What's more, relating a strength of a greenhouse gas to its total concentration
  in the atmosphere is erroneous.
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