Synonyms of impermeability
- 2 Syllables
- temper, hardness, toughness, firmness
- 3 Syllables
- fixedness, compactness, density
- 4 Syllables
- imperviousness, rigidity, solidity, resistance
- 5 Syllables
- durability, impliability
- 6 Syllables
- inelasticity, inflexibility
- 7 Syllables
- impenetrability