58 entries under adjective topic. ×

16
tenacious(strong, unyielding, sticky, retention)
6
recollective
5
retaining(spongy, retention)
4
mindful
3
long
2
persistent
2
pressure-tight(tight, proof, impervious, hermetic)
2
impermeable(tight, proof, impervious, hermetic)
2
tight(proof, impervious, hermetic)
2
waterproof(tight, proof, impervious, hermetic)
1
acquisitive
1
aware
1
cohesive
1
strong
1
air-locked(tight, proof, impervious, hermetic)
1
air-proof(tight, proof, impervious, hermetic)
1
air-tight(tight, proof, impervious, hermetic)
1
airproof(tight, proof, impervious, hermetic)
1
airtight(tight, proof, impervious, hermetic)
1
dampproof(tight, proof, impervious, hermetic)
<123>
11 years ago|2.5k views|share |citing 
APASmart Define. (2015). retentive thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/retentive/thesaurus/synonyms
ChicagoSmart Define. 2015. "retentive thesaurus" https://smartdefine.org/retentive/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2015, retentive thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/retentive/thesaurus/synonyms>.
MLASmart Define. "retentive thesaurus" 14 April 2015. Web. 25 September 2026. <https://smartdefine.org/retentive/thesaurus/synonyms>