viriditas, ātis, f. viridis, green color, greenness, verdure, viridity. Lit.: herbescens viriditas, Cic. Sen. 15, 51: pratorum, id. ib. 16, 57: maris, Plin. 37, 5, 20, ยง 76.
— Transf., freshness, briskness, vigor: senectus aufert eam viriditatem, in quā etiam nunc erat Scipio, Cic. Lael. 3, 11: vigere et habere quandam viriditatem, id. Tusc. 3, 31, 75: laurea illa amittit longo intervallo viriditatem, id. Prov. Cons. 12, 29.