Bulletproof

/ˈbʊlɪtpruːf/

Meaning & Definition

noun
A material or garment designed to provide ballistic protection.
The police officer wore a bulletproof during the high-risk operation.
adjective
Designed to withstand the impact of bullets; providing protection against bullets.
The new car model features bulletproof windows for enhanced security.
Figuratively used to describe something that is resistant to failure or criticism.
She created a bulletproof plan to ensure the project's success.

Etymology

The term 'bulletproof' combines 'bullet,' referring to a projectile, with 'proof,' meaning resistant.

Common Phrases and Expressions

bulletproof vest
A special vest designed to protect the wearer from bullets.
bulletproof plan
A strategy that is well thought out and unlikely to fail.

Related Words

armor
Protective covering.
shield
A broad piece of defensive armor carried to intercept attacks.

Slang Meanings

Something that cannot fail or be harmed.
Her confidence was bulletproof; nothing could shake her resolve.
Secure or safe from risks.
With this new security system, the office feels bulletproof.