19 controversial synonyms include contentious, disputed, contended, at issue, moot, disputable, and open to discussion/question. Controversial is an adjective, and its antonyms are uncontroversial and anodyne. Here are some additional synonyms for "controversial" with example sentences.
19 other ways to say controversial.
controversial issues spark heated debates.
Despite the reprobation from his peers, he stood firm in his controversial opinion.
His views are often controversial.
She made a controversial statement yesterday.
The topic was quite controversial.