Ballproof
Pronunciation : Ball"proof`
Part of Speech : a.
Definition : Defn: Incapable of being penetrated by balls from firearms.
Source : Webster's Unabridged Dictionary, 1913
Merriam-Webster's Everyday Language Reference Set: Includes: The Merriam-Webster Dictionary, The Merriam-Webster Thesaurus, and The Merriam-Webster Vocabulary Builder