1. the action of cleaning something with a rapid flow of water
2. a reddening of the face or skin

1. present participle of flush; causing to flow rapidly or forcefully
2. present participle of flush; cleaning or clearing out with a rapid flow of water
3. present participle of flush; becoming red in the face, especially from embarrassment or heat

Examples

• The plumber is flushing the pipes to clear the blockage.
• She felt her cheeks flushing with embarrassment.
• The toilet needs flushing after each use.
• The flushing of the cooling system removed all the old fluid.
• A sudden flushing spread across his face when he saw her.
• The mechanic recommended flushing the radiator annually.
• Her flushing was visible even in the dim light.