backlog

1 of 2

noun

back·​log ˈbak-ˌlȯg How to pronounce backlog (audio)
-ˌläg
Synonyms of backlognext
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
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Noun
What does the cloud backlog look like, and where is the growth coming from (frontier AI labs or elsewhere)? — Kevin Stankiewicz,zev Fima, CNBC, 25 Oct. 2026 And immigration courts, which ultimately decide whether someone can be removed from the country, face more significant case backlogs. — Arkansas Online, 23 Oct. 2026
Verb
For instance, applicants from countries such as China and India (registration required) may face lengthier waits due to backlog risks and high demand. — Jill Jones, Forbes.com, 16 Oct. 2026 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 See All Example Sentences for backlog

Word History

First Known Use

Noun

1684, in the meaning defined at sense 1

Verb

1963, in the meaning defined above

Time Traveler
The first known use of backlog was in 1684

Rhymes for backlog

See All Rhymes for backlog

Browse Nearby Words

back-load
backlog
back loop jump
See all Nearby Words

Cite this Entry

“Backlog.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/backlog. Accessed 27 Oct. 2026.

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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

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