Definition of waterproof
: impervious to water; especially : covered or treated with a material (such as a solution of rubber) to prevent permeation by water
waterproofness
nounRead the Latest from M-W
Examples of waterproof in a Sentence
This suntan lotion is waterproof.
luckily, my backpack is waterproof, so my clothes didn't get wet
1725
First Known Use of waterproof
1725
waterproof
Definition of waterproof
1 : a waterproof fabric
2 chiefly British : raincoat
Examples of waterproof in a Sentence
remember your waterproof if you're walking around London in the winter
1788
First Known Use of waterproof
1788
waterproof
Definition of waterproof
transitive verb
: to make waterproof
waterproofer
nounExamples of waterproof in a Sentence
He waterproofed the deck by applying sealer to it.
1820
First Known Use of waterproof
1820
WATERPROOF Defined for English Language Learners
waterproof
playDefinition of waterproof for English Language Learners
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: designed to prevent water from entering or passing through
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: designed so that water alone will not remove it
waterproof
Definition of waterproof for English Language Learners
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: to put a substance on (something) in order to make it waterproof
WATERPROOF Defined for Kids
Definition of waterproof for Students
: not letting water through a waterproof tent
Definition of waterproof for Students
waterproofed
;waterproofing
: to make something resistant to letting water through
Learn More about waterproof
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See words that rhyme with waterproof Thesaurus: All synonyms and antonyms for waterproof Spanish Central: Translation of waterproof Nglish: Translation of waterproof for Spanish speakers Britannica English: Translation of waterproof for Arabic speakers
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