Lewis Short
(adjective) : sŭb-ăgrestis, e
* Somewhat rustic, rather boorish (Ciceronian): subagreste quiddam planeque subrusticum,Cic. Brut. 74, 259: consilium,id. Rep. 2, 7, 12: ingenium,Amm. 14, 11, 11.
Charlton T. Lewis, Charles Short, A Latin Dictionary