Definitions

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • suffix Used to form adjectives denoting an impervious or impenetrable quality.

Etymologies

Sorry, no etymologies found.

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Help support Wordnik (and make this page ad-free) by adopting the word -proof.

Examples

  • It's hard to be invisible when the A&E rooms slosh with your 40%-proof blood and guts every Saturday night.

    Grace Dent: The Rules of Drinking

  • Favourite mixes of alcohol and energy drinks include the Jagerbomb a shot of the 70%-proof German digestif Jagermeister with caffeinated drink Red Bull and the double vodka and Red Bull cocktail.

    WalesOnline - Home

  • Nestle is the largest in the world and has sizable shares in markets like bottled water and infant formula - the latter being a controversial but very nearly recession -proof business.

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