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airproof

[ air-proof ]
/ ˈɛərˌpruf /
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adjective

impervious to air.

verb (used with object)

to make impervious to air.

QUIZZES

QUIZ YOURSELF ON “THEIR,” “THERE,” AND “THEY’RE”

Are you aware how often people swap around “their,” “there,” and “they’re”? Prove you have more than a fair grasp over these commonly confused words.
Question 1 of 7
Which one of these commonly confused words can act as an adverb or a pronoun?

Origin of airproof

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021
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