- Definitions|1
- Thesaurus|198
- Abbreviations|0
| bottom line(noun, expression, support, substance, authority) | |
| bow | |
| brass tacks(noun, expression, support, substance, authority) | |
| cellar | |
| commencement | |
| equilibrium(noun, balance, stability, foothold) | |
| establishment(noun, balance, foundation, basis, warrant) | |
| fireside | |
| foothold(noun, balance, foundation, basis, warrant) | |
| foundation garment(expression, idiom) | |
| fundamentals(noun, base, basis, preparation) | |
| grip(noun, balance, stability, foothold) | |
| guts(noun, support, substance, authority, basis) | |
| heart(noun, support, substance, authority, basis) | |
| hind end(expression, idiom) | |
| house | |
| household | |
| human foot(expression, idiom) | |
| inception | |
| installation(noun, balance, foundation, basis, warrant) |
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| APA | Smart Define. (2015). understructure thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/understructure/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "understructure thesaurus" https://smartdefine.org/understructure/thesaurus/synonyms (accessed September 20, 2026). |
| Harvard | Smart Define 2015, understructure thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/understructure/thesaurus/synonyms>. |
| MLA | Smart Define. "understructure thesaurus" 10 April 2015. Web. 20 September 2026. <https://smartdefine.org/understructure/thesaurus/synonyms> |