Lewis Short
(adjective) : in-sŏcĭābĭlis, e
* That cannot be joined together, unsociable, incompatible (mostly post-Aug.): gens,Liv. 37, 1: diversae, insociabilesque naturae arborum,Plin. 17, 19, 30, § 137: anum insociabilem nurui efficiebat,Tac. A. 4, 12 fin.: regnum (with discordiae),id. ib. 13, 17; 15, 68.
Charlton T. Lewis, Charles Short, A Latin Dictionary