[en.e.my] n, pl -mies [ME enemi, fr. OF, fr. L inimicus, fr. in- [1]in- + amicus friend--more at amiable] (13c) 1: one that is antagonistic to another; esp: one seeking to injure, overthrow, or confound an opponent
2: something harmful or deadly 3 a: a military adversary b: a hostile unit or force