controversial

adjectives

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"
controversial
is derived from
controversy
antonym
uncontroversial
is similar to
open to argument or debate
"that is a moot question"
arguable, debatable, disputable, moot
is similar to
involving or likely to cause controversy
"a central and contentious element of the book"- Tim W.Ferfuson
contentious
is similar to
subject to disagreement and debate
disputed
is similar to
of or involving dispute or controversy
polemic, polemical