1. the quality or state of being able to repel or drive away
2. the ability of a material or substance to resist penetration by water, insects, or other unwanted elements
Usage: technical

Examples

• The fabric’s water repellency kept us dry during the storm.
• Scientists tested the insect repellency of various natural oils.
• The coating’s repellency against stains made cleaning much easier.
• The repellency of the surface prevented ice from forming.
• Manufacturers improved the repellency of their outdoor gear.
• The repellency properties lasted even after multiple washes.