RIGID'ITY, noun [Latin rigiditas.] 1. Stiffness; want of pliability; the quality of not being easily bent. 2. A brittle hardness, as opposed to ductibility, malleability and softness. 3. Stiffness of appearance or manner; want of ease or airy elegance.
Source: Webster's 1828 American Dictionary ↗ · public-domain · returned verbatim, no AI