[ uh-roh-nee-uhs, e-roh- ]
/ əˈroʊ ni əs, ɛˈroʊ- /


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

Origin of erroneous

1350–1400; Middle English < Latin errōneus straying, equivalent to errōn- (stem of errō) wanderer (derivative of err-; see err) + -eus -eous

OTHER WORDS FROM erroneous Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

Examples from the Web for erroneously

British Dictionary definitions for erroneously

/ (ɪˈrəʊnɪəs) /


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