/ (dɪˈsaɪdə) / noun. the point, goal, game, etc, that determines who wins a match or championship.

Is there such a word as decider?

Decider is both a real word and a "Bushism". It may refer to: Decider (website), a pop culture website operated by the New York Post. Bill Maher: The Decider, a stand-up comedy special.

Is decider an adjective?

Decider is a noun. ... Nouns provide the names for all things: people, objects, sensations, feelings, etc.