- Definitions|2
- Thesaurus|716
- Abbreviations|0
23 entries under labour topic. ×
| permanent(adjective, strain, firmness, hardiness) | |
| steady(adjective, strain, firmness, safe) | |
| viable(adjective, strain, firmness, hardiness) |
For more, visit
Impregnable on
Power Thesaurus
| APA | Smart Define. (2015). impregnable thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/impregnable/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "impregnable thesaurus" https://smartdefine.org/impregnable/thesaurus/synonyms (accessed September 24, 2026). |
| Harvard | Smart Define 2015, impregnable thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/impregnable/thesaurus/synonyms>. |
| MLA | Smart Define. "impregnable thesaurus" 10 April 2015. Web. 24 September 2026. <https://smartdefine.org/impregnable/thesaurus/synonyms> |