- Definitions|0
- Thesaurus|105
- Abbreviations|0
| safehold(noun, fortification, cell, stronghold, presidio) | |
| self-observer | |
| solitaire | |
| solitarian | |
| solitary confinement | |
| source of income(noun, expression, idiom, fortification, cell) | |
| stronghold(noun, fortification, cell, presidio, sustainment) | |
| stylite | |
| subsistence(noun, fortification, cell, stronghold, presidio) | |
| support(noun, fortification, cell, stronghold, presidio) | |
| sustainment(noun, fortification, cell, stronghold, presidio) | |
| sustenance(noun, fortification, cell, stronghold, presidio) | |
| sustentation(noun, fortification, cell, stronghold, presidio) | |
| sustention(noun, fortification, cell, stronghold, presidio) | |
| take out(noun, expression, fortification, cell, stronghold) | |
| top-security prison | |
| tower(noun, fortification, cell, stronghold, presidio) | |
| troglodyte | |
| upkeep(noun, fortification, cell, stronghold, presidio) | |
| upstream |
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| APA | Smart Define. (2013). up the river thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/up_the_river/thesaurus/synonyms |
| Chicago | Smart Define. 2013. "up the river thesaurus" https://smartdefine.org/up_the_river/thesaurus/synonyms (accessed September 27, 2026). |
| Harvard | Smart Define 2013, up the river thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/up_the_river/thesaurus/synonyms>. |
| MLA | Smart Define. "up the river thesaurus" 19 May 2013. Web. 27 September 2026. <https://smartdefine.org/up_the_river/thesaurus/synonyms> |