Of or pertaining to war.
Eager to go to war, warlike.
Engaged in warfare, warring.
Uncooperative.
Aggressively hostile, eager to fight.
Acting violently towards others.
A state or other armed participant in warfare
Fighting or disposed to fight; belligerent, warlike.
Aggressively supporting of a political or social cause; adamant, combative.
Specifically, someone who supports the Trotskyist political view expressed in the newspaper Militant, or who engages in aggressive left-wing politics.
An entrenched or aggressive adherent to a particular cause, now especially a member of a particular ideological faction.