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

Example Sentences

Also, as we've seen with what has happened at United and Chelsea, your relationship with the director of football must be absolutely bulletproof - for many reasons, but again more so for the coach's benefit.

From BBC

At the December gathering of executives in New York, two CEOs wore bulletproof vests, said Jeffrey Sonnenfeld, a professor at the Yale School of Management who organized the event.

From The Wall Street Journal

It is also equipped with bulletproof windows, offering the stars peak privacy.

From MarketWatch

“We’ve learned how to survive,” Cabello said from a street in Caracas, wearing a bulletproof vest and a helmet while surrounded by armed security forces in black uniforms.

From The Wall Street Journal

In the backseat of her county car – a white Toyota Prius – is a bulletproof vest, which she says she rarely uses.

From Los Angeles Times

Related Words

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