bulletproof


bul·let·proof

adjective \ˈb-lət-ˌprüf also ˈbə-\

: made to stop bullets from going through

Full Definition of BULLETPROOF

1
:  impenetrable to bullets <bulletproof glass>
2
:  not subject to correction, alteration, or modification <a bulletproof argument>
3

Examples of BULLETPROOF

  1. The car has bulletproof windows.
  2. The police officer was wearing a bulletproof vest.

First Known Use of BULLETPROOF

1693

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