Definify.com
Definition 2024
bulletproof
bulletproof
See also: bullet-proof
English
Alternative forms
Adjective
bulletproof (comparative more bulletproof, superlative most bulletproof)
- (of a material) Capable of withstanding a direct shot by a bullet fired from a gun.
- A bulletproof window.
- A bulletproof vest.
- (idiomatic) reliable, infallible, sturdy or error-tolerant.
- (usually of an idea or concept) Unbreakable, very tough.
Synonyms
- (infallible): foolproof
Translations
capable of withstanding a bullet
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reliable, infallible
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Verb
bulletproof (third-person singular simple present bulletproofs, present participle bulletproofing, simple past and past participle bulletproofed)
- 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.