controversial

kɒntrəˈvəːʃ(ə)l

adjective

giving rise or likely to give rise to controversy or public disagreement.

years of wrangling over a controversial bypass

contentious,disputed,contended,at issue,moot,disputable,debatable,arguable,vexed,open to discussion/question,under discussion,tendentious,emotive,sensitive,delicate,difficult,awkward,problematic,controvertible

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