Main entry: contentious
Definition: involving or likely to cause controversy
Usage: a central and contentious element of the book- Tim W.Ferfuson
Main entry: disputatious, disputative, contentious, litigious, combative
Definition: inclined or showing an inclination to dispute or disagree, even to engage in law suits
Usage: a style described as abrasive and contentious; a disputatious lawyer; a litigious and acrimonious spirit