1. a person who bleeds excessively or has difficulty clotting blood, especially due to a medical condition
Usage: medical
2. a person or thing that causes problems or drains resources
Usage: informal
3. a valve or opening used to release air, gas, or liquid from a system
Usage: technical

Examples

• The doctor explained that hemophiliacs are bleeders who require special care during surgery.
• His condition made him a bleeder, so even minor cuts took a long time to heal.
• That old car is a real bleeder when it comes to repair costs.
• The project became a financial bleeder for the company.
• The mechanic opened the bleeder valve to remove air from the brake system.
• Make sure to close the radiator bleeder after draining the coolant.