adj.
Pronunciation: i- ' r ō -n ē - ə s, e-
Function: adjective
Etymology: Middle English, from Latin erroneus, from erron-, erro wanderer, from errare
Date: 15th century
1 : containing or characterized by error : MISTAKEN < erroneous assumptions> <gave an erroneous impression>
2 archaic : WANDERING
– er · ro · ne · ous · ly adverb
– er · ro · ne · ous · ness noun