Brigadier 's 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's either the highest field rank or most junior General appointment, nominally commanding a brigade. It ranks above a full Colonel and below a Major General. The rank's used by the British Army, the Royal Marines, Australian Army, New Zealand Army, Pakistan Army, Indian Army and several others. Although it isn'… (More on Brigadier)