bottleneck

1 of 3

adjective

bot·​tle·​neck ˈbä-tᵊl-ˌnek 

: 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

Noun

• jam
• congestion

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

Noun

Thinking that writing code was the only bottleneck for deploying new software is like the Titanic seeing the tip of the iceberg and assuming there was nothing underneath it. — Brian Jenney, IEEE Spectrum, 23 Oct. 2026

Community opposition that blocks municipal permits has become a bottleneck, and tech giants could face even more challenges if voters next month elect more public officials who are skeptical of data centers. — Marc Levy, Los Angeles Times, 22 Oct. 2026

Verb

Crucially, the facility will generate its own 460 megawatts of electricity on-site using gas engines, entirely bypassing traditional grid interconnection queues that bottleneck AI development. — Jon Markman, Forbes.com, 28 Aug. 2026

That’s because, while the hype might seem to suggest that robotics is poised for a major expansion, some avenues of progress are bottlenecked by a lack of useful data for training robots for complex tasks. — ArsTechnica, 13 July 2026

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

Phrases Containing bottleneck

• bottleneck guitar

Rhymes for bottleneck

• biotech
• quarterdeck
• turtleneck
• zapotec
• aztec
• breakneck
• codec
• exec
• mixtec
• paycheck
• pinchbeck
• recheck

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