Definitions for: Mistaken

[adj] arising from error; "a false assumption"; "a mistaken view of the situation"
[adj] wrong in e.g. opinion or judgment; "well-meaning but misguided teachers"; "a mistaken belief"; "mistaken identity"

Webster (1913) Definition: Mis*tak"en, p.a.
1. Being in error; judging wrongly; having a wrong opinion or
a misconception; as, a mistaken man; he is mistaken.

2. Erroneous; wrong; as, a mistaken notion.

Synonyms: false, incorrect, misguided, wrong