hos·til·i·ty/hɑs`tɪlətɪ; hɒˈstɪlɪti/ n [U] 1 unfriendly and angry feelings or behaviour 敌意,敌对状态[行为]: hostility between staff and students 教职员工和学生之间的对立 2 when people are strongly opposed to something 反对: hostility to the idea of a united Europe 对统一欧洲这一设想的反对