-proof

See also proof

English

Suffix

-proof (proof)

1. Used to form adjectives denoting an impervious or impenetrable quality

Usage notes

• Often used as the second part of a combined form (such as bullet-proof) rather than as a true suffix (as in waterproof)

Derived terms

Derived terms

acid-proof air-proof rust-proof bomb-proof bug-proof bug-proof netting bullet-proof bullet-proof vest burglar-proof cat-proof childproof crash-proof dog-proof earthquake-proof explosion-proof fireproof flameproof frost-proof foolproof

future proof hammer-proof hurricane-proof idiot-proof inflation-proof leakproof limeproof mothproof moisture-proof pig-proof rabbit-proof rabbit-proof fence rust-proof sale-proof stiletto-proof storm-proof virus-proof waterproof weatherproof winter-proof

Related terms

• -safe

Translations

• German: -fest, -sicher
• Polish: -odporny

See also

• Category:English words suffixed with -proof