ill-mannered and coarse and contemptible in behavior or appearance; "was boorish and insensitive"; "the loutish manners of a bully"; "her stupid oafish husband"; "aristocratic contempt for the swinish multitude"
without civilizing influences; "barbarian invaders"; "barbaric practices"; "a savage people"; "fighting is crude and uncivilized especially if the weapons are efficient"-Margaret Meade; "wild tribes"
unpredictably difficult in operation; likely to be troublesome; "rockets were much too fractious to be tested near thickly populated areas"; "fractious components of a communication system"
stubbornly resistant to authority or control; "a fractious animal that would not submit to the harness"; "a refractory child"
having or showing determination and energetic pursuit of your ends; "an aggressive businessman"; "an aggressive basketball player"; "he was aggressive and imperious; positive in his convictions"; "aggressive drivers"
characteristic of an enemy or one eager to fight; "aggressive acts against another country"; "a belligerent tone"