bulletproof Meaning, Definition & Usage

  1. verb make bulletproof
    • bulletproof the car
  2. adjective satellite without flaws or loopholes
    watertight; unshakable; unassailable.
    • an ironclad contract
    • a watertight alibi
    • a bulletproof argument
  3. adjective satellite not penetrable by bullets
    • bulletproof glass
    • bulletproof vest

WordNet