bulletproof

adj. made of a strong material that stops bullets from passing through it.

adj. capable of withstanding a direct shot from a firearm without being penetrated.

“The security guards wore bulletproof vests for protection during the transport.”

“The diplomatic vehicle was fitted with bulletproof glass and reinforced plating to ensure the safety of the officials during transit through the conflict zone.”

adj. so well-planned or strong that it cannot be broken, criticized, or defeated.

adj. infallible or robust; resistant to failure, error, or external criticism.

“She presented a bulletproof argument that convinced the entire board.”

“The legal team spent months building a bulletproof case, ensuring that every piece of evidence was verified and every loophole closed.”

Informal

v. to improve a plan or a piece of software so that it will not fail.

v. to reinforce a system, plan, or process against potential failure or error.

“We need to bulletproof the new app before we release it to the public.”

“The engineers worked through the weekend to bulletproof the server architecture against the expected surge in traffic during the product launch.”

Informal · Technical