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

In April 2023, Mordisco made his only known public appearance: arriving in a luxury bulletproof SUV at a secluded jungle area to announce the start of peace talks that subsequently failed.

From Barron's

Its debt is rated double-B, but the coverage ratio is bulletproof.

From Barron's

After the burial, which as tradition dictates was carried out by men only, Shaath's mother was able to clutch her son's bulletproof vest.

From Barron's

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

Related Words

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