- Definitions|2
- Thesaurus|174
- Abbreviations|0
| anchor(noun, support, essential, foundation, prop) | |
| mainstay(noun, support, essential, foundation, prop) | |
| keystone(noun, idea, essential, foundation, essence) | |
| backbone(noun, support, prop, pillar, bulwark) | |
| spine(noun, support, prop, backbone) | |
| lynchpin | |
| key | |
| anchorman | |
| anchorperson | |
| back | |
| basis(noun, idea, standard, foundation, essence) | |
| bulwark(noun, support, prop, pillar, backbone) | |
| cornerstone(noun, idea, element, foundation, essence) | |
| grit | |
| gumption | |
| guts | |
| pillar(noun, support, essential, foundation, prop) | |
| support(noun, prop, backbone) | |
| chief support(noun, expression, support, prop, pillar) | |
| clothespin |
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| APA | Smart Define. (2015). linchpin thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/linchpin/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "linchpin thesaurus" https://smartdefine.org/linchpin/thesaurus/synonyms (accessed September 20, 2026). |
| Harvard | Smart Define 2015, linchpin thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/linchpin/thesaurus/synonyms>. |
| MLA | Smart Define. "linchpin thesaurus" 10 April 2015. Web. 20 September 2026. <https://smartdefine.org/linchpin/thesaurus/synonyms> |