# waterproof

> English word · Adjective · IPA /ˈwɔːtəˌpruːf/ · frequency rank #14,049

## Definitions
1. Resistant to the effects of water.
2. Made of or covered with material that doesn't allow water in.
3. Incapable of failing; unassailable.

## Etymology
From water + -proof. Compare West Frisian wetterproef (“waterproof”), Dutch waterproef (“waterproof”).

## Common misspellings (15)
`awterproof`, `waetrproof`, `wateprroof`, `waterporof`, `waterpproof`, `waterprof`, `waterprofo`, `waterprooff`, `waterprroof`, `waterrpoof`, `waterrproof`, `watreproof`, `watterproof`, `wtaerproof`, `wwaterproof`

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-05-06.
Canonical page: https://plainspell.com/en/word/waterproof