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.
McMahon decided to hire her own three-person security detail and considered wearing a bulletproof vest.
From The Wall Street Journal • May 9, 2026
You want people who will bulletproof your strategy before reality does.
From MarketWatch • May 6, 2026
The president and other top officials have said a Secret Service officer was shot as the attacker charged a security checkpoint at the hotel, and that he survived thanks to a bulletproof vest.
From BBC • May 1, 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
He’s probably here to notify us that our windows are too bulletproof, or that our garage door is too titanium, or that our rooftop aerial drone helipad is too awesome.
From "Dry" by Neal Shusterman and Jarrod Shusterman
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.
