1
liquid-tight(adjective, tight, proof, impervious, hermetic)
1
nonleaking(adjective, tight, proof, impervious, hermetic)
1
obstinate
1
persisting
1
pertinacious
1
possession
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
rapid
1
reckless
1
redolent
1
reminiscent
1
resolute
1
retention
1
retrospective
1
sealed(adjective, tight, proof, impervious, hermetic)
1
sealed-in(adjective, tight, proof, impervious, hermetic)
1
suggestive
11 years ago|2.5k views|share |citing 
APASmart Define. (2015). retentive thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/retentive/thesaurus/synonyms
ChicagoSmart Define. 2015. "retentive thesaurus" https://smartdefine.org/retentive/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2015, retentive thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/retentive/thesaurus/synonyms>.
MLASmart Define. "retentive thesaurus" 14 April 2015. Web. 24 September 2026. <https://smartdefine.org/retentive/thesaurus/synonyms>