rainproof

adjective
rain·​proof | \ˈrān-ˌprüf \

Definition of rainproof 

: impervious to rain

First Known Use of rainproof

1668, in the meaning defined above

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The first known use of rainproof was in 1668

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More Definitions for rainproof

rainproof

adjective

English Language Learners Definition of rainproof

: able to keep rain out : not allowing rain to come through

rainproof

adjective
rain·​proof | \ˈrān-ˈprüf \

Kids Definition of rainproof

: not letting in rain

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