Third-person singular simple present indicative form of bulletproof.(verb)
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Use "bulletproofs" in a sentence
"They were helmeted and in bulletproofs; one of them had an autorifle, and the rest carried knobbed plastic truncheons."
"Mr.M. explains the world of kidnapping, and how because of it all sorts of industries have sprung up to protect the rich - private helicopters that allow one to avoid traveling in cars, micro-chips embedded in your body so that you can be monitored at all times, and his own company that bulletproofs cars for $55,000 (much cheaper than ransoms)."
"The blog's author observes that the decision "essentially bulletproofs the will of a person found incompetent and placed under the protection of a conservator, if the Court approves a revised estate plan with appropriate notice being given to all parties in interest who may have any basis to object.""