11 letters · 14 points in Scrabble
noun someone who fights (or is fighting)
adjective characteristic of an enemy or one eager to fight
adjective engaged in war
originFrom Latin belligerans (“waging war”), present active participle of belligerō (“to wage war”), from belliger (“waging war, warlike”), from bellum (“war”) + -ger (from gerō (“to lead, wage, carry on”)).
Etymology from Wiktionary, CC BY-SA 3.0