from The American Heritage® Dictionary of the English Language, 4th Edition
- adj. Impenetrable by bullets.
- adj. Informal Impervious to assault, damage, or failure; guaranteed: a bulletproof method; bulletproof arguments.
- transitive v. To make impenetrable by bullets.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- adj. Capable of withstanding a direct shot by a bullet fired from a gun.
- adj. reliable, infallible, sturdy or error-tolerant.
- adj. Unbreakable, very tough.
- v. To make proof against bullets.
- v. to make resistant to failure.
Athletes arrived at the opening ceremony in bulletproof vans.
The silk could also have applications in bulletproof vests and improved car airbags.
If you sent Peter and Jane there to fly a kite, you'd kit them out in bulletproof vests first.
Simultaneously, FBI agents in bulletproof vests and carrying M-16s woke
Antibalas - Spanish for "bulletproof" - is a high-energy, highly celebrated Afrobeat orchestra from Brooklyn.
At the time, the chief executive of the Financial Services Authority (FSA), Hector Sants, argued this would make the bank "bulletproof" - although his view would prove overly optimistic.
A growing number of so-called bulletproof Web host services ...offer spam-friendly merchants access to stable offshore computer servers - most of them in China - where they can park their Web sites, with the promise that they will not be shut down because of spam complaints.
And then, explosive new charges against the maker of bulletproof vests, so-called bulletproof vests, for the Secret Service, the first lady and the president of the United States.
The U.S. Marine Corps denies it's recalling bulletproof vests because of defects.
Crous said he was at one stage issued with a so-called bulletproof battle jacket and three extra magazines for his R4 rifle.
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