遅おそくMeanings1adverb, nounlateUsed as an adverb meaning 'late' in time, or as a noun in expressions like 遅くまで (until late).昨夜ゆうべは遅おそくまで起おきていた。I stayed up late last night.彼かれはいつも遅おそくに帰き宅たくする。He always comes home late.2adverbslowlyAdverbial use meaning 'slowly', often in contrast to 早く (quickly). Less common than the 'late' sense.彼かれは遅おそく歩あるく。He walks slowly.