Definitions

1. adjective

able to withstand exposure to water without being damaged or affected

“The waterproof jacket kept me dry during the rainstorm.”

2. noun

a coating or treatment that makes something waterproof

“The waterproofing on the boots helped to keep my feet dry in the wet conditions.”

3. verb

to treat or coat something with a waterproof substance

“The factory workers waterproofed the fabric to make it suitable for outdoor use.”