CLUTTER Meaning of CLUTTER in English clutter BrE AmE ˈklʌt ə AmE ˈklʌt̬ ə r▷ clutter|ed d▷ cluttering ˈklʌt‿ ə r ɪŋ AmE ˈklʌt̬ ə r ɪŋ▷ clutter|s z Longman Pronunciation English Dictionary. Английский словарь произношений Longman. 2012