backlog

1 of 2

noun

back·​log ˈbak-ˌlȯg 

-ˌläg

1

: a large log at the back of a hearth fire

2

: an accumulation of tasks unperformed or materials not processed

a backlog of court cases

backlog

2 of 2

verb

backlogged; backlogging; backlogs

: accumulate

Examples of backlog in a Sentence

Noun

We have a huge backlog of orders to be filled.

Recent Examples on the Web

Noun

That means expanding and streamlining visa pathways both for high-skilled workers and essential industries like agriculture, caregiving, and logistics so our economy can grow without relying on exploitation or backlogs that take years to resolve. —Linh Tat, Oc Register, 4 May 2026

Alphabet announced plans to raise its AI spending, but also exhibited an ability to monetize AI through ad revenue and demand for cloud contract services, with a backlog of deals valued at $460 billion, according to the company’s earnings results. —John Towfighi, CNN Money, 4 May 2026

Verb

Many Transportation Security Administration officers have gone unpaid, creating massive security line backlogs at a few major airports, including in Houston. —Dallas Morning News, 9 Mar. 2026

His court date was scheduled for 2027, a date far in the future because of the nation’s immigration courts backlog. —Lawrence Mower, Miami Herald, 26 Aug. 2025

Word History

First Known Use

Noun

1684, in the meaning defined at sense 1

Verb

1963, in the meaning defined above

Rhymes for backlog

• agog
• bulldog
• bullfrog
• eclogue
• eggnog
• groundhog
• hedgehog
• leapfrog
• prolog
• sheepdog
• watchdog
• analog

Kids Definition

backlog

noun

back·​log

-ˌlȯg, 

-ˌläg

1

: a large log at the back of a fire in a fireplace

2

: an accumulation of tasks that have not been finished