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sunproof

[ suhn-proof ]
/ ˈsʌnˌpruf /
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adjective
impervious to sunlight or damage by the rays of the sun.
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Which of the following nouns has an irregular plural form?

Origin of sunproof

First recorded in 1600–10; sun + -proof
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2022

How to use sunproof in a sentence

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