Definition of waterproof adjective from the Oxford Advanced Learner's Dictionary

 

waterproof

 adjective
adjective
BrE BrE//ˈwɔːtəpruːf//
 
; NAmE NAmE//ˈwɔːtərpruːf//
 
, NAmE//ˈwɑːtərpruːf//
 
Rain
 
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that does not let water through or that cannot be damaged by water waterproof clothing a waterproof camera Treat them with oil to make them waterproof. a waterproof jacket See related entries: Rain
See the Oxford Advanced American Dictionary entry: waterproof

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