SLUMBER Meaning of SLUMBER in English slumber BrE AmE ˈslʌm bə AmE \ -b ə r▷ slumber|ed d▷ slumbering ˈslʌm b ə r‿ɪŋ▷ slumber|s z Longman Pronunciation English Dictionary. Английский словарь произношений Longman. 2012