bulletproof

[ bool-it-proof ]

adjective

1. (of vehicles, glass, clothing, etc.) capable of resisting or absorbing the impact of a bullet.
2. Informal. safe from failure; without errors or shortcomings and beyond criticism:

   a bulletproof system; a bulletproof budget.

verb (used with object)

1. to make (something) bulletproof.

bulletproof

/ ˈbʊlɪtˌpruːf /

adjective

1. not penetrable by bullets

   bulletproof glass

verb

1. tr to make bulletproof

Word History and Origins

Origin of bulletproof¹

First recorded in 1855–60; bullet + -proof

Example Sentences

"In this current climate, no-one is bulletproof."

From BBC

Harris’ 12-minute speech, behind bulletproof glass in front of the brick, flag-lined Frederick Douglas Memorial Hall, took place less than 24 hours on the site where her supporters had gathered to celebrate what they had hoped would be the election of the first female president.

From Los Angeles Times

Nearby, in Arizona — also a battleground state for the presidential election — Democratic Secretary of State Adrian Fontes revealed in a recent court hearing that he wears a bulletproof vest during election season.

From Los Angeles Times

Panic buttons and bulletproof glass have been installed at election offices, which are also monitoring mail for envelopes laced with fentanyl.

From Los Angeles Times

Such an extraordinary reversal of fortune for the former president would also vault him back into the White House as a man who seems politically bulletproof, with a detailed plan of action and ranks of loyalists behind him.

From BBC

Related Words

• impassable
• impregnable
• indomitable
• invulnerable
• irresistible
• unassailable
• unbeatable
• untouchable