Answer: warred

AnswerCrossword Clue
WARREDBattled belligerently
WARREDDid battle
WARREDFought
WARREDBattled
WARREDEngaged in battle.
WARREDContended
WARREDCrossed swords
warredto make or carry on war
warredWAR, to engage in armed conflict
warredarmed conflict