English edit

Etymology edit

moisture +‎ -proof

Adjective edit

moistureproof (comparative more moistureproof, superlative most moistureproof)

  1. Resistant to moisture.

Verb edit

moistureproof (third-person singular simple present moistureproofs, present participle moistureproofing, simple past and past participle moistureproofed)

  1. (transitive) To make resistant to moisture.