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.
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
I have a bulletproof portfolio that is 100% in large-cap U.S. stocks and I live off the dividend income.
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
"Everything's drone proof and bulletproof," an animated Trump said of the ballroom.
From Barron's • Mar. 31, 2026
It changed form, melting into a bulletproof vest.
From "The Lightning Thief" by Rick Riordan
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.
