- Open to debate; not fully proved or confirmed.
- Those data are debatable: no one has been able to replicate them.
- It's debatable whether he is the best candidate for the position.
- Able to be debated; up for discussion.
- The lack of bonuses this year is not debatable.
- (Can we verify(+) this sense?) Of a person, argumentative.
- that debatable individual
- (argumentative): See Thesaurus:quarrelsome.