Synonyms of 'controversial'
Immigration is a controversial issue in many countries.
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If you say that something is debatable, you mean that it is not certain.
It is debatable whether or not they were ever properly compensated.
capable of being argued; debatable
Thesaurus for controversial from the Collins English Thesaurus
If you describe something or someone as controversial , you mean that they are the subject of intense public argument , disagreement , or disapproval .