BULLETPROOF

bulletproof

(adjective) not penetrable by bullets; “bulletproof glass”; “bulletproof vest”

unassailable, unshakable, watertight, bulletproof

(adjective) without flaws or loopholes; “an ironclad contract”; “a watertight alibi”; “a bulletproof argument”

bulletproof

(verb) make bulletproof; “bulletproof the car”

Source: WordNet® 3.1

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Etymology

Adjective

bulletproof (comparative more bulletproof, superlative most bulletproof)

(of a material) Capable of withstanding a direct shot by a bullet fired from a gun.

(idiomatic) Reliable, infallible, sturdy or error-tolerant.

(usually, of an idea or concept) Unbreakable, very tough.

Synonyms

• (infallible): foolproof

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.

Source: Wiktionary

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Bul"let-proof`, a.

Definition: Capable of resisting the force of a bullet. Bullet tree. See Bully tree.

– Bullet wood, the wood of the bullet tree.

Source: Webster’s Unabridged Dictionary 1913 Edition

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