mothproof v protect from moths mothproof woollen clothes during the summer s resistant to damage by moths Usage(s) Davidson says it is washable, mothproof, almost shrinkproof, and resistant to strong chemicals. Men's socks woven by Burlington Mills of nylon and Vicara, a new wool-like, mothproof synthetic, made from field corn. The finished product is straw-colored, resembles the best grade, washed and carded Merino wool, but will not shrink so much and is mothproof. Synonym(s) moth-resistant