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.
You want people who will bulletproof your strategy before reality does.
From MarketWatch • May 6, 2026
Trump confirmed that one officer was shot during the incident but was protected by a bulletproof vest and is expected to be in good condition.
From Salon • Apr. 25, 2026
"Everything's drone proof and bulletproof," an animated Trump said of the ballroom.
From Barron's • Mar. 31, 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
What was within their control, however, they took pains to bulletproof, even if it meant stretching—then breaking—their timeline.
From "Hidden Figures" by Margot Lee Shetterly
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.
