Orderly meaning : A hospital attendant given a variety of non-medical duties. A soldier who carries out minor tasks for a superior officer. Neat and tidy; possessing order. Methodical or systematic. Peaceful; well-behaved. Being on duty; keeping order; conveying orders. According to good order or practice; appropriately, in a well-behaved or orderly way. In order; in a particular order or succession; with a suitable arrangement.