- The definition of erroneous is something that is incorrect or in error.
An example of an erroneous statement is that the earth is flat.
erroneous definition by Webster's New World
Origin: Middle English ; from Classical Latin erroneus, wandering about ; from errare: see err
- erroneously adverb
erroneous definition by American Heritage Dictionary
Origin: Middle English, from Latin errōneus, from errō, errōn-, a vagabond, from errāre, to err, wander; see ers- in Indo-European roots.
- er·roˈne·ous·ly adverb
- er·roˈne·ous·ness noun