COARSEN Meaning of COARSEN in English coarsen BrE AmE ˈkɔːs ə n AmE \ ˈkɔːrs ə n ˈkoʊrs- ▷ coarsen|ed d▷ coarsen|ing ‿ɪŋ▷ coarsen|s z Longman Pronunciation English Dictionary. Английский словарь произношений Longman. 2012