erroneous

[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

erroneously, adverb
erroneousness, noun
nonerroneous, adjective
nonerroneously, adverb
nonerroneousness, noun


1. inaccurate, untrue, false.


1. accurate.
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World English Dictionary
erroneous (ɪˈrəʊnɪəs)
 
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
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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.
Relative evaluations on arbitrary criteria and tendencies to impose new value
  systems can be erroneous and damaging.
On second thought, my advice about pop quizzes was erroneous.
More often than not, they reach erroneous conclusions.
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