Dictionary

rainproof

adjective rain·proof \ˈrān-ˌprüf\

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

Full Definition of RAINPROOF

:  impervious to rain
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First Known Use of RAINPROOF

1831
RAINPROOF Defined for Kids

rainproof

adjective rain·proof \ˈrān-ˈprüf\

Definition of RAINPROOF for Kids

:  not letting in rain

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