English edit

Etymology edit

ball +‎ -proof

Adjective edit

ballproof (comparative more ballproof, superlative most ballproof)

  1. Incapable of being penetrated by balls from firearms; bulletproof.

Part or all of this entry has been imported from the 1913 edition of Webster’s Dictionary, which is now free of copyright and hence in the public domain. The imported definitions may be significantly out of date, and any more recent senses may be completely missing.
(See the entry for ballproof”, in Webster’s Revised Unabridged Dictionary, Springfield, Mass.: G. & C. Merriam, 1913, →OCLC.)