adj. & n.
adj. 1 methodically arranged; regular. 2 obedient to discipline; well-behaved; not unruly. 3 Mil. a of or concerned with orders. b charged with the conveyance or execution of orders.
n. (pl. -ies) 1 an esp. male cleaner in a hospital. 2 a soldier who carries orders for an officer etc. orderly book Brit. Mil. a regimental or company book for entering orders. orderly officer Brit. Mil. the officer of the day. orderly room Brit. Mil. a room in a barracks used for company business. orderliness n.