WordóafturkræfurMeaningirreversiblePart of speechadjectivePronunciationCourseIcelandicLessonSubstantivized neuter adjectives (hið góða)Usages of óafturkræfurHið byltingarkennda er oft óafturkræft.The revolutionary is often irreversible.Hann einblínir á hið óafturkræfa.He focuses on the irreversible.