1. impossible to win or achieve victory in

Examples

• The general knew the battle was unwinnable from the start.
• She found herself in an unwinnable argument with her stubborn colleague.
• The chess position looked completely unwinnable for the amateur player.
• Many considered the lawsuit to be unwinnable given the lack of evidence.
• The team faced an unwinnable situation with only seconds left on the clock.
• Political analysts called the election unwinnable for the incumbent.