1
airtight
1
impenetrable
1
sealed
11 years ago|159 views|share |citing 
APASmart Define. (2015). hermetic thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/hermetic/thesaurus/broader
ChicagoSmart Define. 2015. "hermetic thesaurus" https://smartdefine.org/hermetic/thesaurus/broader (accessed September 23, 2026).
HarvardSmart Define 2015, hermetic thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/hermetic/thesaurus/broader>.
MLASmart Define. "hermetic thesaurus" 10 April 2015. Web. 23 September 2026. <https://smartdefine.org/hermetic/thesaurus/broader>