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.
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
Last week, de la Espriella appeared at a rally in Medellin behind bulletproof glass.
From BBC • May 30, 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
Although best known for its use in military helmets and bulletproof vests as well as tires and other industrial equipment, Kevlar is also used to make many household goods.
From The Wall Street Journal • Apr. 9, 2026
He counts out ninety-five dollars in cash from his register, recounts it, then gives it to Sam through the slot in the bulletproof glass.
From "Free Lunch" by Rex Ogle
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.
