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 erroneously
00:10
Erroneously is always a great word to know.
So is callithumpian. Does it mean:
a screen or mat covered with a dark material for shielding a camera lens from excess light or glare.
a children's mummer's parade, as on the Fourth of July, with prizes for the best costumes.
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

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
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
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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
In the ensuing, overblown backlash, some even erroneously thought that the
  service had opened them up to stalkers.
Tsunamis are sometimes erroneously referred to as tidal waves.
They learned of the eavesdropping after the government erroneously sent them
  records.
Casual observers notice that the car is still moving and erroneously think it's
  a viable vehicle.
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