Synonyms|41Antonyms|0|Broader|0Narrower|0Related|0
3
airtight(adjective, tight, proof, impervious, hermetic)
3
hermetic(adjective, tight, proof, impervious)
3
pressure-tight(adjective, tight, proof, impervious, hermetic)
3
sealed(adjective, tight, proof, impervious, hermetic)
3
tight(adjective, proof, impervious, hermetic)
3
waterproof(adjective, tight, proof, impervious, hermetic)
3
watertight(adjective, tight, proof, impervious, hermetic)
2
close
1
air-locked(adjective, tight, proof, impervious, hermetic)
1
air-proof(adjective, tight, proof, impervious, hermetic)
1
air-tight(adjective, tight, proof, impervious, hermetic)
1
airproof(adjective, tight, proof, impervious, hermetic)
1
compact
1
dampproof(adjective, tight, proof, impervious, hermetic)
1
enclosed(adjective, tight, proof, impervious, hermetic)
1
fast
1
firm
1
gas-tight(adjective, tight, proof, impervious, hermetic)
1
gas proof(adjective, tight, proof, impervious, hermetic)
1
hermetical(adjective, tight, proof, impervious, hermetic)
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APASmart Define. (2015). gastight thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/gastight/thesaurus/synonyms
ChicagoSmart Define. 2015. "gastight thesaurus" https://smartdefine.org/gastight/thesaurus/synonyms (accessed September 21, 2026).
HarvardSmart Define 2015, gastight thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/gastight/thesaurus/synonyms>.
MLASmart Define. "gastight thesaurus" 14 April 2015. Web. 21 September 2026. <https://smartdefine.org/gastight/thesaurus/synonyms>