| dam(noun, hindrance, wall, embankment) | |
| dike(noun, conduit) | |
| lock(noun, conduit) | |
| waterfall(noun, cascade) | |
| fence | |
| wall(noun, hindrance) | |
| barrage | |
| barricade(noun, hindrance) | |
| barrier | |
| boom(noun, hindrance) | |
| channel | |
| gate(noun, entrance) | |
| levee | |
| penstock(noun, conduit) | |
| sluice | |
| buffer | |
| bulkhead | |
| defense | |
| ditch | |
| embankment |
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| APA | Smart Define. (2015). weir thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/weir/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "weir thesaurus" https://smartdefine.org/weir/thesaurus/synonyms (accessed September 21, 2026). |
| Harvard | Smart Define 2015, weir thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/weir/thesaurus/synonyms>. |
| MLA | Smart Define. "weir thesaurus" 10 April 2015. Web. 21 September 2026. <https://smartdefine.org/weir/thesaurus/synonyms> |