- Definitions|2
- Thesaurus|437
- Abbreviations|0
29 entries under density topic. ×
| impenetrable(adjective, close, hard, tough, solid) | |
| compact(adjective, close, set, hard, tough) | |
| close(adjective, set, hard, tough, solid) | |
| dense(adjective, set, hard, tough, firm) | |
| thick(adjective, close, set, hard, tough) | |
| nonporous(adjective, hard, solid, rigid, resistant) | |
| concrete(hard, solid, rigid) | |
| hard(adjective, set, tough, firm, solid) | |
| solid(adjective, close, set, hard, tough) | |
| substantial(adjective, close, set, hard, tough) | |
| constipated | |
| imporous | |
| massive | |
| serried | |
| thickset | |
| coherent | |
| cohesive | |
| crystalline | |
| gnarled | |
| incompressible(adjective, firm) |
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| APA | Smart Define. (2015). impermeable thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/impermeable/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "impermeable thesaurus" https://smartdefine.org/impermeable/thesaurus/synonyms (accessed September 22, 2026). |
| Harvard | Smart Define 2015, impermeable thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/impermeable/thesaurus/synonyms>. |
| MLA | Smart Define. "impermeable thesaurus" 14 April 2015. Web. 22 September 2026. <https://smartdefine.org/impermeable/thesaurus/synonyms> |