Synonyms|50Antonyms|0|Broader|0Narrower|0Related|24
1
pressureproof(adjective, tight, proof, impervious, hermetic)
1
pressurised(adjective, tight, proof, impervious, hermetic)
1
pressurized(adjective, tight, proof, impervious, hermetic)
1
proof(adjective, tight, impervious, hermetic)
1
retentive(adjective, tight, proof, impervious, hermetic)
1
sealed(adjective, tight, proof, impervious, hermetic)
1
sealed-in(adjective, tight, proof, impervious, hermetic)
1
tightly sealed(adjective, tight, proof, impervious, hermetic)
1
totally enclosed(adjective, tight, proof, impervious, hermetic)
1
water-proof(adjective, tight, proof, impervious, hermetic)
1
water-tight(adjective, tight, proof, impervious, hermetic)
1
waterproof(adjective, tight, proof, impervious, hermetic)
0
air tight(expression, idiom)
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close
0
compact
0
drunk
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impassable
0
impenetrable
0
impervious
0
miserly
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APASmart Define. (2013). airproof thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/airproof/thesaurus/synonyms
ChicagoSmart Define. 2013. "airproof thesaurus" https://smartdefine.org/airproof/thesaurus/synonyms (accessed September 21, 2026).
HarvardSmart Define 2013, airproof thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/airproof/thesaurus/synonyms>.
MLASmart Define. "airproof thesaurus" 19 May 2013. Web. 21 September 2026. <https://smartdefine.org/airproof/thesaurus/synonyms>