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bottleneck

1 of 3

adjective

bot·​tle·​neck ˈbä-tᵊl-ˌnek How to pronounce bottleneck (audio)
: narrow
bottleneck harbors

bottleneck

2 of 3

noun

plural bottlenecks
1
a
: a narrow route
b
: a point of traffic congestion
2
a
: someone or something that slows or halts free movement and progress
working to streamline production and eliminate bottlenecks
b
: impasse
They reached a bottleneck in the negotiations.
c
: a dramatic reduction in the size of a population (as of a species) that results in a decrease in genetic variation
3
or bottleneck guitar : a style of guitar playing in which glissando effects are produced by sliding an object (such as a knife blade or the neck of a bottle) along the strings

bottleneck

3 of 3

verb

bottlenecked; bottlenecking; bottlenecks

transitive verb

: to slow or halt by causing a bottleneck

Synonyms of bottleneck

Examples of bottleneck in a Sentence

Noun Bridge construction has created a bottleneck on the southern part of Main Street. All decisions must be approved by the committee, and this is where the company runs into bottlenecks.
Recent Examples on the Web
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Noun
That’s the bottleneck that businesses across industries are running into. Scott Cannon, Fortune, 24 Nov. 2025 As a result of her work with AMRs, Wise avoids framing humanoids as some sort of industrial panacea for every economic ill, from labor shortages to manufacturing bottlenecks. James Vincent, Harpers Magazine, 23 Nov. 2025
Verb
Democrats would need only a few pickups to reclaim the majority, giving them authority to scrutinize President Donald Trump’s administration and potentially bottleneck much of his legislative agenda. Gabe Whisnant, MSNBC Newsweek, 13 Nov. 2025 The real-world difference is how snappy everything feels when your storage doesn’t bottleneck your system. Shubham Yewale, PC Magazine, 23 Sep. 2025 See All Example Sentences for bottleneck

Word History

First Known Use

Adjective

1854, in the meaning defined above

Noun

1850, in the meaning defined at sense 1a

Verb

1919, in the meaning defined above

Time Traveler
The first known use of bottleneck was in 1850

Browse Nearby Words

Cite this Entry

“Bottleneck.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/bottleneck. Accessed 26 Nov. 2025.

Kids Definition

bottleneck

noun
bot·​tle·​neck
ˈbät-ᵊl-ˌnek
1
: a narrow passageway
2
: someone or something that holds up progress
a traffic bottleneck

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