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 Her sensibility is both self-deprecating and emotionally bulletproof. Vogue, 30 Dec. 2023 Enlarge / The Cybertruck during its 2019 debut, shortly before one of the supposedly bulletproof windows was shattered by a hammer. Jonathan M. Gitlin, Ars Technica, 19 Oct. 2023 The fact that a once seemingly bulletproof firm was struggling with a cash crunch underscored how entrenched the property meltdown had become. Laura He, CNN, 10 Oct. 2023 In addition to a wealth of protective equipment installed by Wynn during his tenure—bulletproof glass on the front doors, a 9-foot fence around the perimeter and massive security system—other amenities include a movie theater, as well as gym, massage area and game/wine room. Wendy Bowman, Robb Report, 29 Sep. 2023 Located some ten miles southwest of Huffman Prairie, McCook Field, dedicated during World War I, was the site of numerous aviation developments: new aircraft, free-fall parachutes, bulletproof gas tanks, controllable-pitch propellers and night-vision cameras. Leo Deluca, Smithsonian Magazine, 19 Sep. 2023 These trees are pest-resistant but are not bulletproof. Southern Living Editors, Southern Living, 10 Sep. 2023 The sheriff said investigators later discovered a TikTok video of the suspect at the college putting on his bulletproof tactical vest. Bill Hutchinson, ABC News, 27 Aug. 2023 Candidates wore bulletproof vests on election day while security forces were stationed outside polling stations amid threats of violence. Tara John, CNN, 20 Aug. 2023

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'bulletproof.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

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 29 Mar. 2024.

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

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