unofficialPronunciation: /ʌnəˈfɪʃ(ə)l/Translate unofficial | into French | into German | into Italian | into Spanish Definition of unofficial adjective not officially authorized or confirmed:unofficial reports said that dozens of people were injured British denoting strike action not called or endorsed by the union to which the strikers belong. Derivatives unofficially adverb unofficial in other Oxford dictionaries Definition of unofficial in the US English dictionary
