- The definition of water repellent is something that, when exposed to liquid, reacts with the liquid to cause it to move away instead of to be penetrated or soaked in.
An example of water repellent is a spray that you can put on wood to keep it from soaking in water and beginning to rot or warp.
This wood has been given a water-repellent coating.
(comparative more water-repellent, superlative most water-repellent)
- Alternative spelling of water repellent.