bulletproof

American  

[bool-it-proof] / ˈbʊl ɪtˌpruf /

adjective

1. (of vehicles, glass, clothing, etc.) capable of resisting or absorbing the impact of a bullet.

2. Informal. safe from failure; without errors or shortcomings and beyond criticism.

   a bulletproof system; a bulletproof budget.

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verb (used with object)

1. to make (something) bulletproof.

bulletproof British  

/ ˈbʊlɪtˌpruːf /

adjective

1. not penetrable by bullets

   bulletproof glass

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verb

1. (tr) to make bulletproof

Etymology

Origin of bulletproof

First recorded in 1855–60; bullet + -proof

Related Words

• impassable
• impregnable
• indomitable
• invulnerable
• irresistible
• unassailable
• unbeatable
• untouchable