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.
"I didn't expect that performing the service was going to put me in the position of explaining to my children what a bulletproof vest was and why I had to wear one," she said.
From Barron's ● Jul. 14, 2026
Their name is an anagram of the phrase "I'm Fearless", and those early songs channelled the girl group trope of combative, bulletproof confidence.
From BBC ● Jun. 4, 2026
But for your dividend income strategy to work — and approach something on the order of being bulletproof — we’d have to dig much deeper into the details.
From MarketWatch ● Jun. 3, 2026
McMahon decided to hire her own three-person security detail and considered wearing a bulletproof vest.
From The Wall Street Journal ● May 9, 2026
They should be bulletproof, and bully proof, I thought, looking at all the gear John gave us, now a pile of damaged goods.
From "When I Was the Greatest" by Jason Reynolds
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.
