from The Century Dictionary.

  • Capable of resisting the impact of a bullet.

from the GNU version of the Collaborative International Dictionary of English.

  • adjective Capable of resisting the force of a bullet; resistant to penetration by a bullet; armored.
  • adjective designed so as to be resistant to abuse or misuse and incapable of malfunction under normal use.
  • adjective so well thought out as to be resistant to criticism or certain to succeed.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • adjective Alternative spelling of bulletproof. (Capable of withstanding a direct shot, reliable, or unbreakable).

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • adjective without flaws or loopholes
  • verb make bulletproof
  • adjective not penetrable by bullets


Sorry, no etymologies found.


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  • Anxious about kidnapping, China's newly wealthy often drive bullet-proof Land Rovers and hire kung fu masters from Shaolin Temple as security agents.

    In China, Crime Is Kept Quiet, Except on TV James T. Areddy 2011

  • To keep itself politically bullet-proof, Ms. Morgenson and Mr. Rosner report, Fannie sometimes hired lobbyists to work on a particular issue and then hired potential competing lobbyists just to sit on the sidelines and not work against it.

    Home Truths James Freeman 2011

  • Jason Lee/Reuters A security guard sheltered Tsai Ing-wen, center, presidential candidate and chairperson of Taiwan's Democratic Progressive Party, from firecrackers, as she and Chen Chu, left, mayor of Kaohsiung, waved to supporters behind a bullet-proof glass Saturday.

    Asia in Pictures 2012

  • And there's candy for sale, as evidenced by the faded Snickers and Almond Joy bars taped to the bullet-proof glass.

    These Prices Are Insane, Really Anne Kadet 2011

  • Mr. LaBarbiera told The Wall Street Journal two bullets went into Ms. Morgan's abdomen, entering through openings in the side of her bullet-proof vest, and caused internal injuries.

    Officer Wounded in Wild Shootout in Paramus Sean Gardiner 2011

  • A: The newer diesel engines benefit from advances in machining and metallurgy that should help them last even longer than the seemingly bullet-proof engines you recall from 25 or 30 years ago.

    Replacing All-Wheel Drive Tires 2011

  • Though Rembrandt's reputation remains bullet-proof, he no longer receives—and probably never needed—the cultic adulation he enjoyed in the 19th and early 20th centuries.

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  • Of course the public already knows this through the Mona Lisa, but like so many works that have achieved the status of icons, the painting has become almost impossible to actually see this is also true in literal terms, with the canvas encased in bullet-proof glass and surrounded by throngs of tourists.

    Leonardo's Optics in Action, in Paint Cammy Brothers 2011

  • About a block away, the agents put on bullet-proof vests and, just before 6 a.m., walked swiftly back down the street to the glass double doors of Mr. Chiasson's building.

    FBI Sweep Targets Big Funds Jenny Strasburg 2012

  • Authorities believe Ms. Morgan's bullet-proof vest may have absorbed some of the shots that hit her.

    Officer Wounded in Wild Shootout in Paramus Sean Gardiner 2011


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