Added 8 October 2026
waterproof
/ˈwɔːtəˌpruːf/ noun
noun Definition from WordNet 3.1, Princeton University. Pronunciation from Wiktionary, via Kaikki.org. More about waterproof at Wordnik → Where our words come from →
- Any fabric impervious to water.
- A water-resistant coat.
verb
-
Make watertight.
Waterproof the coat
adjective
- Not permitting the passage of water.
Origin
From water + -proof. Compare West Frisian wetterproef (“waterproof”), Dutch waterproef (“waterproof”).
From Wiktionary, via Kaikki.org (CC BY-SA)