The term 'on the warpath' is an idiom that means to be in a state of anger or rage. This phrase is derived from the Native American practice of going on a warpath, which was a journey taken to seek revenge or to fight against an enemy. The crossword solutions for this term include 'RAGING, ' 'ANGRY, ' 'ATTACKING, ' 'MAD, ' 'IRATE, ' and 'inarage, ' all of which describe a person who is in a state of intense anger or rage.