English Explanatory Dictionary

-proof

English dictionary entry

Meanings

suffix

Added to a noun to form an adjective denoting imperviousness to that noun.
Added to a noun to form a verb denoting a process to make something impervious to that noun.

Word forms

-proof more -proof most -proof -proofs -proofing -proofed

Etymology

From the adjective proof (“fully resistant”), from the same Old French root as prove.

Related words

-safe

Derived words

acid-proof bug-proof burglar-proof cat-proof crash-proof dog-proof earthquake-proof explosion-proof frost-proof future proof hammer-proof hurricane-proof idiotproof inflation-proof limeproof moisture-proof pig-proof rabbitproof rabbit-proof rust-proof sale-proof saltproof scaleproof shellproof stiletto-proof stormproof storm-proof virus-proof waterproof weatherproof wind-proof windproof winter-proof

This entry uses open data from Wiktionary (CC BY-SA/GFDL). Word forms are used for search and are not indexed as separate pages.

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