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.
The plates could have been used as inserts in a bulletproof vest, but Alvarez was not found to have a vest, according to court documents.
From Los Angeles Times ● Sep. 9, 2026
Businesses are using AI to reduce labor and other expenses and to generate record profit margins that seem bulletproof.
From MarketWatch ● Aug. 20, 2026
Before the biggest scandal to hit his tenure - the aborted Fifa Forward Enterprise plan - Infantino was an incredibly powerful figure who appeared bulletproof.
From BBC ● Aug. 7, 2026
There are bulletproof pop melodies, gentle riffs, solid construction, and engaging stories.
From Salon ● Jul. 29, 2026
Jus follows her past a bunch of white-walled rooms—classrooms, they look like—until they reach a large steel door with a tall rectangular window that Jus suspects is bulletproof.
From "Dear Martin" by Nic Stone
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.
