- Definitions|2
- Thesaurus|307
- Abbreviations|0
| tightly sealed(adjective, tight, proof, impervious, hermetic) | |
| totally enclosed(adjective, tight, proof, impervious, hermetic) | |
| tough | |
| unforgetful | |
| water-proof(adjective, tight, proof, impervious, hermetic) | |
| water-tight(adjective, tight, proof, impervious, hermetic) | |
| watertight(adjective, tight, proof, impervious, hermetic) | |
| absorbent(adjective, liquid, spongy, porous, retaining) | |
| coherent | |
| deep | |
| dissipated | |
| dissolute | |
| durable | |
| accurate recollection(expression, idiom, memory) | |
| adamant | |
| adhesive | |
| bound | |
| bridle | |
| capacious memory(expression, idiom, memory) | |
| closely adhering(expression, idiom) |
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| APA | Smart Define. (2015). retentive thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/retentive/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "retentive thesaurus" https://smartdefine.org/retentive/thesaurus/synonyms (accessed September 24, 2026). |
| Harvard | Smart Define 2015, retentive thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/retentive/thesaurus/synonyms>. |
| MLA | Smart Define. "retentive thesaurus" 14 April 2015. Web. 24 September 2026. <https://smartdefine.org/retentive/thesaurus/synonyms> |