Definition of misbelieve in English:

misbelieve

Pronunciation /ˌmɪsbɪˈliːv/

verb

  • 1rare To believe falsely or suppose erroneously that something is the case.

  • 2Not to believe; to distrust (a person); to disbelieve (a thing).

Origin

Middle English. From mis- + believe, probably after Anglo-Norman and Old French mescreire, mescrere.