- backlog⇄backlog, noun, verb, -logged,-logging.
- backlog⇄noun 1. (Informal.)
a. a reserve of orders, duties, or commitments that have not yet been filled or carried out.
Ex. He is working on the backlog of homework assignments that accumulated while he was sick.
b. something reserved for us - backlog⇄v.t. to hold or accumulate as a backlog.
Ex. Manufacturers are trying to fill orders backlogged during summer plant closedowns (Wall Street Journal).