Definition of bulletproof:
"A bulletproof window."
°To make proof against bullets.
°(slang) to make resistant to failure.
"We have to bulletproof this program before we let the users at it; check every input, catch every possible flaw...it must not fail in use."
Definition of bulletproof:
"A bulletproof window."
°To make proof against bullets.
°(slang) to make resistant to failure.
"We have to bulletproof this program before we let the users at it; check every input, catch every possible flaw...it must not fail in use."