*op·po·nent/ə`ponənt; əˈpəʊnənt/ n [C] 1 someone who tries to defeat another person in a competition, game etc 对手，敌手: His opponent is twice as big as he is. 他的对手块头比他大一倍。 2 someone who disagrees with a plan, idea etc 反对者: opponents of Darwin's theory 达尔文理论的反对者