Adjective
1. inclined or showing an inclination to dispute or disagree, even to engage in law suits;
"a style described as abrasive and contentious""a disputatious lawyer""a litigious and acrimonious spirit"2. involving or likely to cause controversy;
"a central and contentious element of the book"- Tim W.Ferfuson3. having or showing a ready disposition to fight;
"bellicose young officers""a combative impulse""a contentious nature"