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
US President Donald Trump said Thursday he wasn't keen on wearing a bulletproof vest despite multiple alleged assassination attempts -- as he is worried it may make him look fat.
From Barron's • Apr. 30, 2026
“It’s drone-proof. It’s bulletproof glass. We need the ballroom. That’s why Secret Service, that’s why the military are demanding it. … We need levels of security that nobody has ever seen before.”
From Slate • Apr. 28, 2026
The next round number could be reached in record time, and the bond market may no longer look bulletproof when the smoke clears.
From The Wall Street Journal • Mar. 24, 2026
It was a double-decker, with armor plating, bulletproof windows, and solar panels on the roof.
From "Ready Player One: A Novel" by Ernest Cline
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.
