S / stŏlĭdĭtas
noun

stŏlĭdĭtas

gen. ātis · gender feminine · decl. 3rd
dulness; obtuseness; stupidity
dulness, obtuseness, stupidity, stolidity (post-class.), Flor. 3, 3, 12; 4, 12, 16; Gell. 18, 4, 6; Arn. 2, 80 al.