Definition of bottleneck in English:



  • 1The neck or mouth of a bottle.

  • 2A point of congestion or blockage, in particular.

    • ‘Police were on hand to guide drivers as the lights started operating this morning at the bottleneck blackspot in a bid to ease congestion which has plagued the junction for months.’
    • ‘This would accelerate the journey from outside a computer directly into the chip, removing a bottleneck in system performance, he said.’
    • ‘To tackle the current infrastructure bottlenecks, Bangalore requires an international airport, metro rail and a dedicated power plant.’
    • ‘He expressed serious concern over the inordinate delay in the completion of crucial infrastructure projects in the State and urged the State Government to clear the bottlenecks in the way of implementing these projects.’
    • ‘When it comes to your system's performance, the main bottleneck is your system memory.’
    • ‘Engineers are attempting to pinpoint the bottleneck in the system and hope to have us back to normal as soon as possible.’
    • ‘We are in process of tweaking WebBench to increase the workload per client to see if one server system hits a bottleneck before the other, and we will report results if we are successful.’
    • ‘It may be that some other part of your system is the bottleneck.’
    • ‘The continuing bottleneck will inevitably mean more severe congestion, particularly at busy times such as the February half-term, Easter, and the May Day and Spring Bank Holiday periods.’
    • ‘I reached Chicago at 5: 30 p.m. and spent an hour - only an hour - making my way through America's biggest bottleneck.’
    • ‘Remember, if you're constructing a gaming system, use components of equivalent design, or one or the other will just become a bottleneck, and ruin system performance altogether.’
    • ‘However, if I send the file as a download, email system bottlenecks are bypassed and the pipe is wide open.’
    • ‘This is a clear indication that the graphics processor cannot be the bottleneck of the system.’
    • ‘That creates serious bottlenecks as faster components are plugged into it.’
    • ‘Its performance is about the same in the two resolutions, so once again geometry processing becomes the bottleneck of Intel's new integrated graphics.’
    • ‘In France, clinics sometimes do more than 80 scans per day, and engineers need to ensure that there won't be a bottleneck in processing the images.’
    • ‘One of these, the bottleneck at Trapper's Point, was once 6,562 feet wide before development slimmed it down.’
    • ‘Once your system hits a bottleneck, you need to know if there's a way around this problem.’
    • ‘‘It is easy to get into a situation where technology becomes a bottleneck instead of a tool to accelerate development,’ he said.’
    • ‘The €400 million bridge is to open a new north-south link between Paris and the Mediterranean and is expected to relieve bottlenecks caused by trucks and tourists headed to the Riviera.’
    1. 2.1 A narrow section of road or a junction that impedes traffic flow.
      ‘narrow streets and a lack of parking space combine to make the town a bottleneck’
      • ‘This would be especially good considering the almost daily South Granville Street traffic bottlenecks and gridlock.’
      • ‘Eyewitnesses spoke of people having to fight their way to get near the image, while roads round the temple became bottlenecks of traffic.’
      • ‘The traffic bottleneck at Main Street, which has forced motorists to drive onto the footpath, has been a bone of contention for some considerable time.’
      • ‘Once they get within a couple of miles, however, the road reverts back to two-way traffic and the bottleneck creates frustrating tailbacks lasting anything up to half an hour depending on the time of day.’
      • ‘This particular stretch of road is one of the main bottlenecks for traffic leaving the town during rush hour times.’
      • ‘‘York Corporation today announced a plan to close many of the city's major road bottlenecks to traffic, except for access,’ the report began.’
      • ‘For those who do decide to drive, motorists have been warned of possible bottlenecks on motorway approaches and on main roads into city centres.’
      • ‘That was helped, he said, by the fact that the local authorities responsible for the roads along the route were working on seven or eight projects involving key bottlenecks and pressure points.’
      • ‘One of the areas that we feel needs to be addressed on priority are bottlenecks in several entry points to the city.’
      • ‘The goal is to minimize bottlenecks at the access points.’
      • ‘The mayor said that this section of road was a well-known bottleneck that funneled traffic from four lanes into three lanes.’
      • ‘The proposed subway is envisaged to clear the traffic bottleneck at this busy junction.’
      • ‘Since I moved to Calne 28 years ago the narrow part of Curzon Street has been the main bottleneck for traffic passing through the town centre.’
      • ‘The package announced today will address some serious bottlenecks on the motorway and trunk road network, which currently cause major delays.’
      • ‘Location information will provide dispatch offices with information of where assets are, as well as a means by which drivers can be rerouted around traffic bottlenecks.’
      • ‘But, I ask you, look around and ahead of and behind you when next you are caught in a traffic bottleneck on an expressway and try to account for the snarl rationally.’
      • ‘This is why older roads are turning into bottlenecks.’
      • ‘Another bottleneck exists on Cathedral Road when traffic exiting the Cathedral or coming along the Cathedral Road has to cope with two lines of parked vehicles and heavy trucks.’
      • ‘This section of motorway, part two-lane and part three-lane, is used by more than 90,000 vehicles a day and has been identified as a bottleneck, with severe queuing during peak periods leading to safety concerns.’
      • ‘Passengers were yesterday promised improved East Coast rail services after a bottleneck on the route was removed with the opening of a new section of track.’
      traffic jam, jam, congestion, hold-up, gridlock, queue, tailback
      constriction, narrowing, restriction, obstruction, block, blockage, stoppage
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    2. 2.2 A situation that causes delay in a process or system.
      ‘lack of imports is making the bottlenecks in domestic output worse than usual’
      • ‘The review should also address the bottlenecks in the planning system that are causing unnecessary delays and costs to the construction sector, the CIF said.’
      • ‘These bottlenecks can delay appropriate assignments of patients to beds.’
      • ‘According to Airslide President and CEO Marc Zionts, the first problem is to handle today's signaling bottlenecks.’
      • ‘And executives need to deal with those people-oriented changes up front or risk delays and bottlenecks in getting e-market initiatives off the ground.’
      • ‘The new court will merge the criminal and central criminal courts and should clear the bottlenecks that have delayed many hearings, according to the parties.’
      • ‘The state government had decided to hand over the laboratory to the Centre in 1995, but administrative bottlenecks caused the seven-year delay.’
      • ‘That makes drug therapy hard, because we need those important bottlenecks and pivot points to aim our molecules at.’
      • ‘Mr Speaker, the first order of business for this government is to fully investigate this situation and remove the bottlenecks that have robbed the economy of the full benefits of these projects.’
      • ‘But rather than be a bottleneck, the commissioning process usually helps streamline construction by improving schedules and reducing changes.’
      • ‘As the manufacturing sector continues to grow at a dizzying rate, this is creating a bottleneck in the fast lane of economic development and is an even more pressing problem than power shortages.’
      • ‘The bottleneck at this point is effective clinical research that will yield reliable and replicable findings.’
      • ‘The bottleneck of the process is the passage of the constriction zone.’
      • ‘The Prime Minister today released the report from the taskforce he commissioned to examine the bottlenecks in the system.’
      • ‘The current planning process is a real bottleneck.’
      • ‘This approach to virtualization concentrates on easing data movement like replication and migration operations, and is also good at identifying system bottlenecks.’
      • ‘Many are repeat offenders creating potentially hazardous bottlenecks.’
      • ‘In a pull system, the bottleneck governs the rate that patients flow through the whole process.’
      • ‘But for those without firm contracts to the makers of the filter components, there's a bottleneck in production which might cause problems for some.’
      • ‘Access points can become network bottlenecks.’
      • ‘This bottleneck is one even police are finding difficult to handle.’
      delay, setback, hitch, snag, difficulty, problem, issue, trouble, wait, waiting period, stoppage
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  • 3A device shaped like the neck of a bottle, worn on a guitarist's finger to produce special sound effects.

    • ‘There's fast blues and slow blues, and major blues and minor blues, and the kind of blues you play with a bottleneck and the strings already tuned to a chord.’
    • ‘A waistcoat is ideal for guitarists, especially if they have loads of extra pockets where you can store bottlenecks, plectrums, tuners, spare batteries and other bits and bobs.’
    • ‘When Fred sat down with his guitar and a bottleneck, everyone joined in.’
    • ‘The 11 Harris originals are all class acts, and the reworking of the traditional folk tune ‘Roberta’ a joy, with Scherr's bottleneck swooping and soaring throughout.’
    • ‘He uses shadowy ghostings of pedal steel or slide blues tonality, though there are no bottlenecks in sight.’
    • ‘Johnson is respected as one of the greatest, though when he first started playing on street corners he played slide with a pocketknife instead of a bottleneck.’
    1. 3.1 The style of guitar playing that uses a device shaped like the neck of a bottle worn on the finger.
      • ‘A bottleneck guitar occasionally glides between vocal lines, an organ swells ominously beneath the surface, but this remains the sound of aloneness.’
      • ‘Nevertheless, while the technique of slide or bottleneck guitar may owe something to the touring Hawaiian ensembles so popular in the late 1880s and '90s, the substance and content was an unmistakable African retention’
      • ‘Williams plays such a ferocious bottleneck guitar that you naturally assume that he used the other part of the bottle to mug someone, having drunk the contents.’
      • ‘And one doesn't have to search hard to hear other Beck signatures: a bottleneck guitar and busker's harmonica here, a Latin beat there, the Bollywood-style string arrangements of his father, David Campbell.’
      • ‘Soon the room would be filled with the American musician's hard-edged acoustic blues, his bottleneck slide guitar riffs and harsh vocals cutting through the night.’
      • ‘No Hero's bottleneck guitar screeches and wails in tandem.’
      • ‘Wednesday and Thursday nights, internationally acclaimed blues singer, songwriter and bottleneck slide guitarist Catfish Keith will play two gigs in the North West.’
      • ‘Acoustic bottleneck guitar, oblique keyboard phrases, electric licks distilled from Lynyrd Skynyrd, galvanised British 1960s psychedelia, and hooks stronger than Tyson on the comeback trail combine to create a glorious album.’
      • ‘From watching fellow guitarist Son House, he was inspired to develop his own bottleneck slide technique.’
      • ‘Through it all, the common thread is the ancient and blessed backbeat, the timeless cry of the bottleneck guitar, and R.L. Burnside's frequently voiced benediction, ‘Well, well, well…’’
      • ‘She hits the tough notes on ‘Living Hell’ as the band rock it up with bottleneck guitar and wheezy organs adding new textures to the sound.’