Lewis Short
(verb) : turbĭdo, āvi, ātum, 1, turbidus
* To trouble, to make turbid, to disturb, obscure (post-class.).
* Lit.: aquam,Sol. 49 fin.: aër turbidatus,Mart. Cap. 2, § 165.
* Trop.: laetitiam,Mart. Cap. 1, § 67; cf.: serenitatem animae,Sid. Ep. 6, 2.
Charlton T. Lewis, Charles Short, A Latin Dictionary