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erroneous

[ ih-roh-nee-uhs, e-roh- ]
/ ɪˈroʊ ni əs, ɛˈroʊ- /
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See synonyms for: erroneous / erroneously / erroneousness on Thesaurus.com

adjective
containing error; mistaken; incorrect; wrong: an erroneous answer.
straying from what is moral, decent, proper, etc.
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Origin of erroneous

First recorded in 1350–1400; Middle English, from Latin errōneus “straying,” equivalent to errōn- (stem of errō ) “wanderer” (derivative of err-; see err) + -eus adjective suffix (see -eous)

OTHER WORDS FROM erroneous

er·ro·ne·ous·ly, adverber·ro·ne·ous·ness, nounnon·er·ro·ne·ous, adjectivenon·er·ro·ne·ous·ness, noun
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

How to use erroneous in a sentence

British Dictionary definitions for erroneous

erroneous
/ (ɪˈrəʊnɪəs) /

adjective
based on or containing error; mistaken; incorrect

Derived forms of erroneous

erroneously, adverberroneousness, noun

Word Origin for erroneous

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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