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Word: bulletproof (lookup usage) (lookup stats)


Meaning:

Adjective:

  • of a material Capable of withstanding a direct shot by a bullet fired from a gun.
  • idiom reliable, infallible, sturdy or error-tolerant.
  • of an idea or concept Unbreakable, very tough.

Source: Wiktionary | Src Info »

Verb:

  • slang to make resistant to failure.
  • To make proof against bullets.

Source: Wiktionary | Src Info »