Definition of "non-starter" []

• Someone or something who was listed to start in a race, but did not start in the race. (noun)
• Something that is not going to happen. (noun)
• An idea or argument that cannot be sensibly debated. (noun)

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• "Senate Democrats have signaled that the House-passed funding resolution is a non-starter in the upper chamber, contending that its cuts are too deep."
• "Wisely, we decided that “Oi Swiney” was a non-starter for such a refined lady of the theatre and the BBC."
• "The latest casualty of a non-starter of a new fall network lineup."