Synonyms|159Antonyms|47|Broader|4Narrower|4Related|240

3 entries under impassable topic. ×

1
leak-proof(adjective, dense, resistant, impervious, impenetrable)
0
nonporous(adjective, dense, resistant, impervious, impenetrable)
0
water-resistant(adjective, dense, resistant, impervious, impenetrable)
For more, visit Airtight on Power Thesaurus
11 years ago|4.7k views|share |citing 
APASmart Define. (2015). airtight thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/airtight/thesaurus/synonyms
ChicagoSmart Define. 2015. "airtight thesaurus" https://smartdefine.org/airtight/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2015, airtight thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/airtight/thesaurus/synonyms>.
MLASmart Define. "airtight thesaurus" 14 April 2015. Web. 26 September 2026. <https://smartdefine.org/airtight/thesaurus/synonyms>