7 entries under sealed topic. ×

15
hermetic(verb, adjective, tight, proof, closed)
9
tight(adjective, proof, impervious, hermetic)
7
closed(verb, adjective, closed, enclosed)
7
impermeable(adjective, tight, proof, impervious, impenetrable)
4
impenetrable
3
shut(verb, adjective, closed)
1
blind(adjective, sound, firm, fast, short)
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APASmart Define. (2015). airtight thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/airtight/thesaurus/synonyms
ChicagoSmart Define. 2015. "airtight thesaurus" https://smartdefine.org/airtight/thesaurus/synonyms (accessed September 27, 2026).
HarvardSmart Define 2015, airtight thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/airtight/thesaurus/synonyms>.
MLASmart Define. "airtight thesaurus" 14 April 2015. Web. 27 September 2026. <https://smartdefine.org/airtight/thesaurus/synonyms>