waterproof
adjective
uk
/ˈwɔː.tə.pruːf/ us
/ˈwɑː.t̬ɚ.pruːf/- This coat isn't waterproof, but it is showerproof.
- The material has been treated with resin to make it waterproof.
- These are the electrical connectors, cased in waterproof plastic.