Definition of nihil obstat in English:

nihil obstat

Pronunciation /ˌnīhil ˈäbstat/ /ˌnaɪhɪl ˈɑbstæt/

noun

  • (in the Roman Catholic Church) a certification by an official censor that a book is not objectionable on doctrinal or moral grounds.

    ‘For example, a book on Catholic bioethics may have received the nihil obstat and imprimatur.’
    • ‘This is his opinion, which we respect, but the nihil obstat and imprimatur cannot be used to authorize nor approve a private revelation.’
    • ‘He pleaded that she do everything possible-even if it took a miracle-so that they would receive the nihil obstat they needed so badly.’
    permission, consent, leave, licence, dispensation, warrant, clearance

Origin

Latin, literally ‘nothing hinders’.