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.
Dictionary.com Unabridged
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 bezoar. 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 calculus or concretion found in the stomach or intestines of certain animals, esp. ruminants, formerly reputed to be an effective remedy for poison.
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
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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.
Your feelings are valid because you felt them, but your reason for feeling them
  turned out to be erroneous.
The hilariously erroneous accounts of my activities reported as fact in his
  newspaper provoked morning belly laughs.
Partial relief when a portion of erroneous item is unknown.
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