-proof

Definition from Wiktionary, a free dictionary

Contents 1 English 1.1 Suffix 1.1.1 Usage notes 1.1.2 Derived terms 1.1.3 Related terms 1.1.4 Translations

[edit] English

[edit] Suffix

-proof

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

[edit] 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)

[edit] Derived terms

[edit] Related terms

• -resistant
• -safe

[edit] Translations

• German: -fest, -sicher