nonstarter noun3 •A project that has no chance of success.The problem with the CRFB and CBO ideas is that they would be nonstarters politically. — 2024 •A loser; a person who is bound to fail.But Berg was just a fool, a buffoon, a nonentity, a nonstarter so inept he took naps under bear bair. — 1999 •A horse that does not run in a race for which it has been entered. formsnonstarters