» This article refers to the military rank. For the Doctor Who character known as the Brigadier, see Brigadier Lethbridge-Stewart. There is also a commercial truck produced by Chevrolet called the Brigadier. Brigadier is a military rank, the meaning of which has a considerable variation. Officer rank In many countries, especially those formerly part of the former British Empire, a Brigadier is either the highest field rank or most junior General appointment, nominally commanding a brigade. It r… (More on Brigadier)