ENDEAVOR Meaning of ENDEAVOR in English endeavor, endeavour BrE AmE ɪn ˈdev ə en-, ən- AmE \ - ə r▷ endeavor|ed d▷ endeavoring, endeavouring ɪn ˈdev ə r‿ɪŋ en-, ən- ▷ endeavor|s z Longman Pronunciation English Dictionary. Английский словарь произношений Longman. 2012