"unprofessional" in German unprofessional unprofessionell unfachmännisch amateurhaft laienhaft Detailed translations for "unprofessional" unprofessional unprofessional unprofessionell the behavior you two display with your wedding planner was unprofessional and unacceptable. Source: opensubtitles.org Corpus by OPUS Request review unprofessionell und inakzeptabel. My baby-sitter hit me with some very unprofessional behavior. Source: opensubtitles.org Corpus by OPUS Request review Mein Babysitter hat sich unprofessionell verhalten. unprofessional(also: unworkmanlike) unfachmännisch unprofessional(also: amateurish) amateurhaft unprofessional(also: dilettante, ersatz) laienhaft{adjectiv}