rainproof

From rain +‎ -proof.

• IPA^(key): /ˈɹeɪnpɹuːf/

• Audio (Southern England):

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• Audio (US):

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rainproof (comparative more rainproof, superlative most rainproof)

1. waterproof (for use outdoors); resistant to rain

rainproof (third-person singular simple present rainproofs, present participle rainproofing, simple past and past participle rainproofed)

1. To make rainproof.

• showerproof