belligerent
bel-lig-er-ent
noun
A nation or person engaged in war or conflict.
"The two belligerents signed a truce."
adjective
Hostile and aggressive, often ready or eager to fight or argue.
"His belligerent attitude caused a scene."
Thesaurus
Synonyms: battler, combatant, fighter, scrapper, war-ridden, warring, militant, unpeaceful, hostile, aggressive