godan verb (-u), transitive verb
mistake for; fail to recognize
Used when you misidentify someone or something, or cannot recognize them because of a change. Often used in the potential form 見違えられる or the negative 見違えない. Compare with 見違える, which is more common.
See also: 見違える
変装した彼を見違うところだった。
I almost mistook him in his disguise.
暗がりで
In the dim light, I mistook my older brother for my younger brother.