bulletproof

adjective

bul·​let·​proof ˈbu̇-lət-ˌprüf How to pronounce bulletproof (audio)
 also  ˈbə-
1
: impenetrable to bullets
bulletproof glass
2
: not subject to correction, alteration, or modification
a bulletproof argument
3

Examples of bulletproof in a Sentence

The car has bulletproof windows. The police officer was wearing a bulletproof vest.
Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Glass walls line the sidewalk; a landscaped plaza is lit from the cantilevered structure above; a grid of generous vertical windows is framed in handsome steel (or maybe that’s Disney-ish terra-cotta); a blond-wood open lobby leads to a reception desk unprotected by bulletproof glass. Justin Davidson, Curbed, 24 Jan. 2025 Included in the exhibition was one of its most recent acquisitions, a black brooch that is also bulletproof, as if meant to protect the heart. Roger Catlin, Smithsonian Magazine, 31 Dec. 2024 Trudeau was thought to be so politically bulletproof that even a bizarre blackface scandal a few years later would not sink him. Kevin Lynn, Newsweek, 6 Jan. 2025 His trial was the first to have anonymous jurors who were enclosed by bulletproof glass during the proceedings, a measure taken due to Edmond III’s seemingly murderous reputation. Preezy Brown, VIBE.com, 18 Dec. 2024 See all Example Sentences for bulletproof 

Word History

First Known Use

1693, in the meaning defined at sense 1

Time Traveler
The first known use of bulletproof was in 1693

Dictionary Entries Near bulletproof

Cite this Entry

“Bulletproof.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/bulletproof. Accessed 16 Feb. 2025.

Kids Definition

bulletproof

adjective
bul·​let·​proof ˈbül-ət-ˌprüf How to pronounce bulletproof (audio)
: so made as to prevent the passing through of bullets
bulletproof glass

More from Merriam-Webster on bulletproof

Last Updated: - Updated example sentences
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