Meaning of the word bulletproof in English

What does bulletproof mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.

bulletproof

US /ˈbʊl.ɪt.pruːf/
UK /ˈbʊl.ɪt.pruːf/
"bulletproof" picture

Adjective

1.

made of a material that can stop bullets

Example:
The president's car is completely bulletproof.
They installed bulletproof glass in the bank.
2.

impossible to criticize, defeat, or damage

Example:
His argument was completely bulletproof.
The company's financial plan is bulletproof against market fluctuations.