33 entries under adjective topic. ×

6
airtight(tight, proof, impervious, hermetic)
5
gas-tight(tight, proof, impervious, hermetic)
3
hermetic(tight, proof, impervious)
3
pressure-tight(tight, proof, impervious, hermetic)
2
impermeable(tight, proof, impervious, hermetic)
2
tight(proof, impervious, hermetic)
1
air-locked(tight, proof, impervious, hermetic)
1
air-proof(tight, proof, impervious, hermetic)
1
airproof(tight, proof, impervious, hermetic)
1
dampproof(tight, proof, impervious, hermetic)
1
enclosed(tight, proof, impervious, hermetic)
1
gas proof(tight, proof, impervious, hermetic)
1
gastight(tight, proof, impervious, hermetic)
1
hermetical(tight, proof, impervious, hermetic)
1
hermetically-impervious(tight, proof, impervious, hermetic)
1
hermetically-sealed(tight, proof, impervious, hermetic)
1
leaktight(tight, proof, impervious, hermetic)
1
liquid-tight(tight, proof, impervious, hermetic)
1
nonleaking(tight, proof, impervious, hermetic)
1
pressureproof(tight, proof, impervious, hermetic)
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APASmart Define. (2013). air-tight thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/air-tight/thesaurus/synonyms
ChicagoSmart Define. 2013. "air-tight thesaurus" https://smartdefine.org/air-tight/thesaurus/synonyms (accessed September 28, 2026).
HarvardSmart Define 2013, air-tight thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/air-tight/thesaurus/synonyms>.
MLASmart Define. "air-tight thesaurus" 28 June 2013. Web. 28 September 2026. <https://smartdefine.org/air-tight/thesaurus/synonyms>