0
obstipation
0
occlusion
0
opaqueness
0
parrying(resistance, invulnerability)
0
protecting(resistance, invulnerability)
0
protection(noun, resistance, security, invulnerability, waterproofness)
0
rebuff(resistance, invulnerability)
0
refusal(resistance, invulnerability)
0
resolution
0
retardation(resistance, invulnerability)
0
retention
0
retentiveness
0
retentivity
0
safeguard(resistance, invulnerability)
0
screen(resistance, invulnerability)
0
shield(resistance, invulnerability)
0
shutting
0
shutting up(verb, phrasal verb, closure)
0
spissitude
0
stand(resistance, invulnerability)
11 years ago|1.3k views|share |citing 
APASmart Define. (2015). impermeability thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/impermeability/thesaurus/synonyms
ChicagoSmart Define. 2015. "impermeability thesaurus" https://smartdefine.org/impermeability/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2015, impermeability thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/impermeability/thesaurus/synonyms>.
MLASmart Define. "impermeability thesaurus" 13 April 2015. Web. 23 September 2026. <https://smartdefine.org/impermeability/thesaurus/synonyms>