bulletproof
Americanadjective
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(of vehicles, glass, clothing, etc.) capable of resisting or absorbing the impact of a bullet.
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Informal. safe from failure; without errors or shortcomings and beyond criticism.
a bulletproof system; a bulletproof budget.
verb (used with object)
adjective
verb
Etymology
Origin of bulletproof
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
ICE officers are wearing bulletproof vests and carrying weapons at more than a dozen airports around the country.
From Salon • Mar. 26, 2026
McArthur said the result was a "bulletproof" bill which amounted to "the toughest and most comprehensively-safeguarded" such legislation in the world.
From BBC • Mar. 16, 2026
A bulletproof train, Kim’s preferred mode of transport, went to Beijing and back to Pyongyang last September, with his young daughter and top North Korean officials in tow.
From The Wall Street Journal • Mar. 13, 2026
A little more than 35 years ago, on Jan. 13, 1991, Mr. Landsbergis was hunkered down in the Lithuanian parliament in Vilnius in a bulletproof vest waiting for Soviet forces to storm the building.
From The Wall Street Journal • Feb. 24, 2026
The shapes of people’s breath on the bulletproof glass of my cabin.
From "The God of Small Things" by Arundhati Roy
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
