45 entries under base topic. ×
| substratum(noun, hold, block, back) | |
| substructure(noun, hold, block, back) | |
| sustentation(noun, hold, block, back) | |
| timber(noun, hold, block, back) | |
| underpinning(noun, hold, block, back) |
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| APA | Smart Define. (2015). stiffener thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/stiffener/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "stiffener thesaurus" https://smartdefine.org/stiffener/thesaurus/synonyms (accessed September 23, 2026). |
| Harvard | Smart Define 2015, stiffener thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/stiffener/thesaurus/synonyms>. |
| MLA | Smart Define. "stiffener thesaurus" 10 April 2015. Web. 23 September 2026. <https://smartdefine.org/stiffener/thesaurus/synonyms> |