ballproof

English

Etymology

From ball +‎ -proof.

Alternative forms

ball-proof

Adjective

ballproof (comparative more ballproof, superlative most ballproof)

1. (dated) bulletproof.

References

• “ballproof”, in Webster’s Revised Unabridged Dictionary, Springfield, Mass.: G. & C. Merriam, 1913, →OCLC.