Meaning of “waterproof” in the English Dictionary

"waterproof" in British English

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waterproofadjective

uk /ˈwɔː.tə.pruːf/ us /ˈwɑː.t̬ɚ.pruːf/

B2 not allowing water to go through:

Canvas boots are all right but they're not as waterproof as leather.

More examples

  • 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.

waterproofverb [ T ]

uk /ˈwɔː.tə.pruːf/ us /ˈwɑː.t̬ɚ.pruːf/

waterproofnoun [ C ]

uk /ˈwɔː.tə.pruːf/ us /ˈwɑː.t̬ɚ.pruːf/ UK

(Definition of “waterproof” from the Cambridge Advanced Learner’s Dictionary & Thesaurus © Cambridge University Press)

"waterproof" in American English

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waterproofadjective

us /ˈwɔ·t̬ərˌpruf, ˈwɑt̬·ər/

not allowing water to go through:

waterproof boots

(Definition of “waterproof” from the Cambridge Academic Content Dictionary © Cambridge University Press)