See also: proof, prof, and Prof.

EnglishEdit

EtymologyEdit

From the verb proof (make resistant), from the same Old French source as prove.

SuffixEdit

-proof

  1. Suffix added to a noun to form an adjective denoting imperviousness to that noun.

Usage notesEdit

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

Derived termsEdit

TranslationsEdit

See alsoEdit

AnagramsEdit