WordmutsuzMeaningunhappyPart of speechadjectivePronunciationCourseTurkishLessonCausality conjunction (çünkü)Usages of mutsuzMutsuzum çünkü arkadaşım burada değil.I am unhappy because my friend is not here.Çocuk mutsuz, hiç gülmüyor.The child is unhappy; he doesn't laugh at all.