- Definitions|2
- Thesaurus|647
- Abbreviations|0
125 entries under noun topic. ×
| bastille(cover, position, guard, shield) | |
| buttress(cover, position, guard, shield) | |
| control(balance, firmness, stability) | |
| cover(position, guard, shield, resistance) | |
| deterrence(cover, position, guard, shield) | |
| dike(cover, position, guard, shield) | |
| embankment(cover, position, guard, shield) | |
| fence(cover, position, guard, shield) | |
| guard(cover, position, shield, resistance) | |
| immunity(cover, position, guard, shield) | |
| munitions(cover, position, guard, shield) | |
| palisade(cover, position, guard, shield) | |
| position(cover, guard, shield, resistance) | |
| rampart(cover, position, guard, shield) | |
| safe keeping | |
| safeguard(cover, position, guard, shield) | |
| seat(hold, keep, stronghold, fortress) | |
| shield(cover, position, guard, resistance) | |
| stoutness | |
| tenacity |
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| APA | Smart Define. (2015). fastness thesaurus. Retrieved September 29, 2026, from https://smartdefine.org/fastness/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "fastness thesaurus" https://smartdefine.org/fastness/thesaurus/synonyms (accessed September 29, 2026). |
| Harvard | Smart Define 2015, fastness thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/fastness/thesaurus/synonyms>. |
| MLA | Smart Define. "fastness thesaurus" 10 April 2015. Web. 29 September 2026. <https://smartdefine.org/fastness/thesaurus/synonyms> |