+**Rigidity** describes the unyielding nature of a body, its resistance to [Deformation](/wiki/deformation) when subjected to external forces. It is a fundamental property indicating a material's capacity to maintain its form and resist [Flexure](/wiki/flexure).
+## See also
+- [Stiffness](/wiki/stiffness)
+- [Elasticity](/wiki/elasticity)
+- [Hardness](/wiki/hardness)
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