bulletproof

3 definitions • 6 examples

preventing bullets from passing through:

A bulletproof limousine used by the president was on display in the museum.

The assailants fired at the upper windows of the bus, which were not bulletproof.

impossible to attack successfully because of being very strong or of high quality:

Although not 100% bulletproof, these techniques will protect your data from most attacks.

His political popularity seems to be bulletproof.

These 18- to 29-year-olds don't worry much about their health because they all feel bulletproof.

able to prevent bullets from going through:

The limo has bulletproof glass.