adj. Used of an algorithm or implementation considered extremely robust; lossage-resistant; capable of correctly recovering from any imaginable exception condition. This is a rare and valued quality. [..]

(v) make bulletproof(adj) without flaws or loopholes(adj) not penetrable by bullets

In IT, algorithms or other tech products may be referred to as “bulletproof,” meaning that they are resistant to failure and/or adequately protected from threats. A bulletproof algorithm or piece [..]

 A term used to describe an opponent whose blots frequently avoid being hit. I would have won the match if I could have hit one of the shots my opponent left me but they were bulletproof and avoided t [..]

(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 [..]