one by one

adv 1: in single file; "the prisoners came out one by one" [syn: {one

after another}, {one at a time}]

2: one piece at a time; "she sold the plates by the piece"

[syn: {by the piece}]

3: apart from others; "taken individually, the rooms were, in

fact, square"; "the fine points are treated singly" [syn:

{individually}, {separately}, {singly}, {severally}, {on

an individual basis}]