debatable

Definitions

Open to argument or dispute; not established as fact.

Subject to question or doubt; uncertain.

Examples

Whether the new policy will actually improve productivity remains highly debatable.

It is debatable whether the team's recent success is due to skill or simply good luck.

Synonyms

controversial arguable disputable moot questionable uncertain dubious

Antonyms

certain indisputable unquestionable definite incontrovertible settled undeniable