What is another word for impermeableness?
Pronunciation: [ɪmpˈɜːməbə͡lnəs] (IPA) 
Impermeableness refers to the quality or state of being impervious or not allowing the passage of substances such as water or gases. Some synonyms for this term include water resistance, imperviousness, waterproofing, impermeability, and watertightness. These words are often used interchangeably to describe materials or surfaces that do not allow liquids or gases to pass through them. Other related synonyms to consider include fluid resistance, air tightness, hermeticity, and impregnability. Whether it be a coat that keeps you dry in the rain or a container that locks in the freshness of food, impermeable materials are essential in many aspects of our daily lives.
