1. a person or thing that ends something
Usage: often used in combination with other words (e.g., 'deal-ender', 'season-ender')
2. in sports, a decisive play or performance that concludes a game or match
Usage: informal

Examples

• That controversial rule change was a deal-ender for many team owners.
• The pitcher threw a perfect game-ender to secure the victory.
• Her final argument was a real relationship-ender.
• The season-ender drew record viewership numbers.
• He scored the ender with just seconds remaining on the clock.
• That mistake was a career-ender for the young executive.