- containing error; mistaken; incorrect; wrong: an erroneous answer.
- straying from what is moral, decent, proper, etc.
Origin of erroneous
SynonymsSee more synonyms for erroneous on Thesaurus.com
Examples from the Web for erroneousness
I give no opinion as to the accuracy or erroneousness of this view.A Handbook of the English Language
Robert Gordon Latham
The erroneousness of the assertion that the volcanoes of the Island of Java do not emit streams of real lava.Narrative of the Circumnavigation of the Globe by the Austrian Frigate Novara, Volume I
Karl Ritter von Scherzer
Thus perished a man in every respect exemplary, except in the erroneousness of his faith.Historical Parallels, vol 3 (of 3)
Arthur Thomas Malkin
Circular maps, however, remained in the popular favour long after their erroneousness had been recognized by the learned.
But in 1884 the erroneousness of the belief had not been made clear by recent experience.Readings in Money and Banking
Chester Arthur Phillips
- based on or containing error; mistaken; incorrect
Word Origin and History for erroneousness
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.