S / stŭpĭdĭtas
noun

stŭpĭdĭtas

gen. ātis · gender feminine · decl. 3rd
senselessness; dullness; stupidity
senselessness, dullness, stupidity (very rare), Att. ap. Non. 226, 22 (Trag. Rel. v. 287 Rib.): incredibilis, * Cic. Phil. 2, 32, 80.