- Definitions|1
- Thesaurus|244
- Abbreviations|0
111 entries under adjective topic. ×
| lumpy(dull, quiet, flat, heavy) | |
| nonreactive(dead, insensitive, insusceptible) | |
| placid(dull, quiet, flat, heavy) | |
| quiet(dull, flat, heavy, dead) | |
| regular(dull, quiet, flat, heavy) | |
| sacrosanct | |
| slack(dull, quiet, flat, heavy) | |
| stagnant(dull, quiet, flat, heavy) | |
| still(dull, quiet, flat, heavy) | |
| torpid(dull, quiet, flat, heavy) | |
| unassailable |
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| APA | Smart Define. (2015). impassible thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/impassible/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "impassible thesaurus" https://smartdefine.org/impassible/thesaurus/synonyms (accessed September 28, 2026). |
| Harvard | Smart Define 2015, impassible thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/impassible/thesaurus/synonyms>. |
| MLA | Smart Define. "impassible thesaurus" 14 April 2015. Web. 28 September 2026. <https://smartdefine.org/impassible/thesaurus/synonyms> |