Bulletproof Definition
bo͝olĭt-pro͝of
bullet-proof, bulletproofs
adjective
That bullets cannot pierce.
Webster's New World
Impervious to assault, damage, or failure; guaranteed.
A bulletproof method; bulletproof arguments.
American Heritage
(of a material) Capable of withstanding a direct shot by a bullet fired from a gun.
A bulletproof window.
A bulletproof vest.
Wiktionary
(idiomatic) Reliable, infallible, sturdy or error-tolerant.
Wiktionary
(usually of an idea or concept) Unbreakable, very tough.
Wiktionary
Synonyms:
verb
bulletproofs
To make bulletproof.
Webster's New World
Origin of Bulletproof
-
bullet + -proof
From Wiktionary
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