midstream• From midstream he sent her a sweet, desperatesmile.• He took Deianira on his back and in midstreaminsulted her.• The paperclaimed that most businessmen believed that it was a bad idea to change horses in midstream.• Another group felt that it was inadvisable to change horses in midstream.• Why not use some of that money to get started with a low dam-and then switch horses in midstream?• With a shriek from her whistle, the little craftswung out into midstream and shot into the rapids under the bridge.