noun A person, god, or official text that makes the final decision.
- As noted, the frontal cortex is central to executive function. To quote George W. Bush, within the frontal cortex, it's the PFC that is “the decider.
— Robert Sapolsky (2017)
- I have strong confidence in Don Rumsfeld. I hear the voices. And I read the front page. And I know the speculation. But I'm the decider and I decide what is best.
— George W. Bush, President Bush Announces Appointment of New Budget Director (2006)
noun A match, action, or event that settles the result of a contest.
- Tensions threatened to boil over before the defending champion Gerwyn Price eventually overcame Kim Huybrechts in a sudden-death decider to reach the last 16 of the PDC World Championship.
— , Gerwyn Price beats Kim Huybrechts in fiery clash to keep title defence alive (2021)
