mildewproof

English

Etymology

mildew +‎ -proof

Adjective

mildewproof (comparative more mildewproof, superlative most mildewproof)

1. Resistant to mildew.

Verb

mildewproof (third-person singular simple present mildewproofs, present participle mildewproofing, simple past and past participle mildewproofed)

1. (transitive) To make resistant to mildew.