ARBITRARY Meaning of ARBITRARY in English arbitrar|y BrE AmE ˈɑːb ɪtr ə r| i ˈ•ətr-; !!ˈ••|i AmE \ ˈɑːrb ə trer| i▷ arbitrar|iness i nəs i nɪs Longman Pronunciation English Dictionary. Английский словарь произношений Longman. 2012