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erroneous

[uh-roh-nee-uh s, e-roh-] /əˈroʊ ni əs, ɛˈroʊ-/
adjective
1.
containing error; mistaken; incorrect; wrong:
an erroneous answer.
2.
straying from what is moral, decent, proper, etc.
Origin
1350-1400
1350-1400; Middle English < Latin errōneus straying, equivalent to errōn- (stem of errō) wanderer (derivative of err-; see err) + -eus -eous
Related forms
erroneously, adverb
erroneousness, noun
nonerroneous, adjective
nonerroneously, adverb
nonerroneousness, noun
Synonyms
1. inaccurate, untrue, false.
Antonyms
1. accurate.
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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British Dictionary definitions for erroneousness

erroneous

/ɪˈrəʊnɪəs/
adjective
1.
based on or containing error; mistaken; incorrect
Derived Forms
erroneously, adverb
erroneousness, noun
Word Origin
C14: (in the sense: deviating from what is right), from Latin errōneus, from errāre to wander
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Word Origin and History for erroneousness

erroneous

adj.

late 14c., from Old French erroneus and directly from Latin erroneus "vagrant, wandering" (in Late Latin "erroneous"), from erronem (nominative erro) "vagabond," from errare "to wander, err" (see err). Related: Erroneously.

Online Etymology Dictionary, © 2010 Douglas Harper
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