If a politician ran for office on the platform that children should be put to work from age six, his platform is likely to be controversial, meaning it will cause controversy, or a long discussion among people with opposing opinions.

Controversies are usually public disagreements about important matters. The adjective controversial is from the Latin from controversus "disputed," formed from the prefix contra- "against" plus versus, from vertere "to turn." The Latin suffix –ialis, corresponding to the English suffixes –ial and –al, means "relating to or characterized by."

Definitions of controversial
  1. adjective
    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”
    arguable, debatable, disputable, moot
    open to argument or debate
    involving or likely to cause controversy
    subject to disagreement and debate
    polemic, polemical
    of or involving dispute or controversy
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    noncontroversial, uncontroversial
    not likely to arouse controversy
    not open to challenge
    unchallenged, undisputed, unquestioned
    generally agreed upon; not subject to dispute
    agreed upon, stipulatory
    constituted or contracted by stipulation or agreement
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