contentious

adjectives

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"

is derived from

is derived from

involving or likely to cause controversy

"a central and contentious element of the book"- Tim W.Ferfuson

contentious

is derived from

is similar to

marked by or capable of arousing controversy

"the issue of the death penalty is highly controversial"; "Rushdie's controversial book"; "a controversial decision on affirmative action"