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proof

adjective [after noun] (PROTECTED)
 
 
/pruːf/ formal

Definition

providing protection against something: No household security devices are proof against (= protect completely against) the determined burglar. Her virtue would be proof against his charms.Defending and protectingBacking, supporting and defendingPreserving and saving
(Definition of proof adjective (PROTECTED) from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
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