- Definitions|2
- Thesaurus|931
- Abbreviations|0
72 entries under adjective topic. ×
| forbidden | |
| impossible(unreasonable, useless, absurd, hopeless) | |
| impracticable | |
| incomprehensible(solid, dense) | |
| invulnerable(strong, resolute, unaffected, unyielding) | |
| murky(solid, dense) | |
| mysterious(solid, dense) | |
| sealed(unaffected, unyielding, unbending, resistant) | |
| unattainable(inaccessible, impossible, impossibility) | |
| untrodden(closure, closed) | |
| blind(hidden, covered) | |
| bulletproof(solid, dense, untouchable, invincible) | |
| hard(solid, dense) | |
| heavy | |
| hermetic(solid, dense, unaffected, unyielding) | |
| impassive(unaffected, unyielding, unbending, resistant) | |
| inextricable | |
| inviolable(solid, dense) | |
| trackless | |
| Delphic(solid, dense) |
For more, visit
Impassable on
Power Thesaurus
| APA | Smart Define. (2015). impassable thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/impassable/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "impassable thesaurus" https://smartdefine.org/impassable/thesaurus/synonyms (accessed September 23, 2026). |
| Harvard | Smart Define 2015, impassable thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/impassable/thesaurus/synonyms>. |
| MLA | Smart Define. "impassable thesaurus" 14 April 2015. Web. 23 September 2026. <https://smartdefine.org/impassable/thesaurus/synonyms> |