Belligerent

Bel·lig·er·ent

Belligerent

a.
  1. Waging war; carrying on war.
  2. Pertaining, or tending, to war; of or relating to belligerents; as, a belligerent tone; belligerent rights.

Belligerent

n.
  1. A nation or state recognized as carrying on war; a person engaged in warfare.