WordóþrifalegurMeaningunhygienicPart of speechadjectivePronunciationCourseIcelandicLessonNegative adjective prefix (ó-)Usages of óþrifalegurRottan er óþrifalegt meindýr.The rat is an unhygienic pest.Þetta óþrifalega eldhús er alveg óboðlegt.This unhygienic kitchen is completely unacceptable.