leutnant Share definition Flag The equivalent to a lieutenant in the Third Reich (1920s-1945). The rank of Untersturmführer was discarded by Germany after the fall of the Third Reich. Ralph became a leutnant. leutnant by Nicolai February 15, 2004 0 0 Get merch Get the leutnant mug. Buy Now — $32.95 See more merch