impermeability Synonyms

impermeableness watertight integrity light-tight tensile strength waterproofing waterproof toughness tightness thickness temper spissitude airtightness hermeticity impassability water tightness leak tightness actual invulnerability impliability air tightness water impermeability watertightness waterproofness leakproofness imperviousness solidity rigidity hardness fixedness durability density constipation consistency compactness cohesion closeness calking impenetrability impenetrable impenetrableness retentivity resistant resistance opacity obscurity inflexibility inelasticity incompressibility imporosity imperforation barrier