1. cut off, sever, terminate a connection. disconnectdis`con*nect , v. t. [imp. & p. p. disconnected; p. pr. & vb. n. disconnecting.] to dissolve the union or connection of; to disunite; to sever; to separate; to disperse. the commonwealth itself would be disconnected into the dust and powder of individuality. this restriction disconnects bank paper and the precious metals.disconnect v