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bulletproof
(bo̵ol′it pro̵̅o̅f′)
adjective
that bullets cannot pierce
transitive verb
to make bulletproof
See bulletproof in American Heritage Dictionary 4
adjective
- Impenetrable by bullets.
- Informal Impervious to assault, damage, or failure; guaranteed: a bulletproof method; bulletproof arguments.
To make impenetrable by bullets.
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