1. people who cause others to feel romantic disappointment or emotional pain by ending relationships or not returning affection
Usage: informal; plural form
2. things that cause great disappointment or sadness
Usage: informal; figurative use

Examples

• Those two are known heartbreakers who never stay with anyone for long.
• She warned her daughter about the heartbreakers at school.
• The team’s last-minute losses were real heartbreakers for the fans.
• Missing the scholarship by one point was one of life’s heartbreakers.
• He had a reputation as one of the biggest heartbreakers in town.
• The movie’s ending was a heartbreaker that left everyone in tears.