Definition of boost in English:



[with object]
  • 1Help or encourage (something) to increase or improve.

    ‘a range of measures to boost tourism’
    • ‘That reflects improving prospects in their home market, improving cashflows and boosted optimism.’
    • ‘Despite this, the report assumes no policy action to boost population growth by encouraging an increase in the birth rate or increasing immigration.’
    • ‘These will primarily be aimed at the old, young families and savers - but there will also be some measures to boost productivity and encourage entrepreneurship.’
    • ‘Removing barriers to trade across national borders was expected to simultaneously increase rivalry and boost economic growth while promoting economic integration.’
    • ‘Councils covering north and west Wiltshire have received more than £250,000 to boost waste reduction and increase recycling.’
    • ‘Establishing friendly ties lowers stress, increases immunity and boosts the amount of support you receive.’
    • ‘Increased military might boosts the aspiration to become a great power’
    • ‘She said a bid would provide a huge stimulus for elite sport and also boost efforts to encourage it at grassroots level.’
    • ‘Customised education will play an increasingly important role in boosting revenues on both sides of the Atlantic.’
    • ‘China's productive power is becoming more and more market-based and this is increasing incomes and thus boosting the demand for consumer goods.’
    • ‘Political freedom, during the 1950s and 1960s, was about increased production, boosting agriculture and stimulating industry.’
    • ‘A recent study in Costa Rica found that preserving forest fragments around coffee plantations could boost crop yields and increase income.’
    • ‘These other cultural factors help to promote a positive image of Italy abroad and encourage tourism and boost the economy.’
    • ‘Training and certification helps improved risk identification, increased awareness and boost the ability of an organisation to respond more rapidly to problems.’
    • ‘Teenagers across the region are being encouraged to try to boost their national test scores in a Government drive targeted at 14-year-olds.’
    • ‘He cited as an example that the government encouraged companies to boost their exports without improving the infrastructure or efficiency.’
    • ‘This will boost incentives to increase production.’
    • ‘Instead he preferred state-sponsored measures that would boost trade and thereby encourage employers to employ.’
    • ‘The idea that you can improve your wealth by encouraging your birthrate or boosting immigration to make up the numbers makes no sense at all.’
    • ‘An increased presence will boost the sense of security and encourage more people to use central Bradford.’
    improve, raise, uplift, increase, augment, magnify, swell, amplify, enhance, encourage, heighten, help, promote, foster, nurture, arouse, stimulate, invigorate, revitalize, inspire, perk up
    increase, expand, raise, elevate, escalate, augment, add to, improve, strengthen, amplify, enlarge, inflate, push up, promote, advance, develop, further, foster, stimulate
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    1. 1.1 Amplify (an electrical signal)
      ‘the specially designed circuit boosts signal strength’
      • ‘The lasers are manufactured to boost the signals of fibre optic cable.’
      • ‘The first capacitor is discharged to boost a voltage at the boosting node, whereas the second capacitor is discharged to boost the voltage at an output terminal.’
      • ‘This boosts the microphone signal so it can be converted into digital form.’
      • ‘Very intense pulses can cause the bubbles to burst, boosting the signal still further.’
      • ‘Many postcode sectors are left with signals that may need boosting with a roof-mounted aerial.’
      • ‘Energy transmitters are used when the frame is too far away from the energy cores, and boost the signal.’
      • ‘A typical camera battery only offers 1.5 volts, so the flash circuit needs to boost the voltage substantially.’
      • ‘Price is an issue, since boosting Fibre Channel signals over distance can be extremely expensive.’
      • ‘Service providers boosting their portals' general capabilities are focusing first on functions related directly to their businesses.’
      • ‘Over here in the US it's apparently still legal to have WiFi equipment - but if you dare try to boost your signal with an antenna, watch out.’
      • ‘Let's start with the heart of the circuit, the main transformer, the device that actually boosts the voltage.’
      • ‘We had added longer antennas to boost the signal but even before they had a range of a mile.’
      • ‘In the meantime, they can watch current TV shows using a built-in scan converter which boosts those signals for a better picture.’
      • ‘The reasoning is that the seizure will in effect reset the brain, causing the release of chemicals that may boost signals between neurons.’
      • ‘Their reach is spotty, and boosting their signal only means the neighbors can get on your network.’
      • ‘Therefore, one or more optical regenerators is spliced along the cable to boost the degraded light signals.’
      • ‘They used earpieces to boost the signals coming in whenever they were in a crowd.’
      • ‘The application is like a multiband compressor that tracks the input signal and dynamically boosts a band of frequencies from 100 Hz to 350 Hz.’
      • ‘Still, this loss is tolerable, because the amplifier boosts the signal level enough to get it to the donor site.’
      • ‘As existing analogue transmitters are switched off region by region, the strength of the digital signal will be boosted.’
  • 2North American Push from below.

    ‘Andy boosted him up high enough to reach the keys’
    • ‘He pushed Hannah onto the ground then boosted himself out of the water.’
    • ‘He then put the left feet and boosted himself from the wall towards Kashiro.’
    lift, raise, hoist, push, thrust, shove, heave, elevate
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  • 3North American informal Steal (something)

    ‘he'd had his wallet boosted in a bar’
    • ‘I got extremely paranoid that some deft pickpocket had my number and it was only a matter of time before my wallet was boosted.’
    • ‘I have noticed a rise in the arrests of individuals who are boosting wallets from purses in unattended shopping carts at grocery stores.’
    • ‘Our tablemate Bob, not on our tour, had his wallet boosted by a group including an amputee.’


  • 1A source of help or encouragement leading to increase or improvement.

    ‘the cut in interest rates will give a further boost to the economy’
    • ‘This will provide a boost for farm investment and encourage the replacement of obsolete and unsafe machinery.’
    • ‘He said the groundswell of community support has been a great boost for the Club's future.’
    • ‘Council officials believe the draw of over 2,000, mainly young adults into the area will provide a major boost for the local economy.’
    • ‘Experts predict that a further 7,000 jobs will be created in the local economy as a spin-off boost for the region.’
    • ‘This was coupled with bad weather and flooding which resulted in a boost for foreign holidays and bankruptcy for many UK hoteliers.’
    • ‘It would be a boost for the economy and the environment.’
    • ‘It will bring an economic boost for Waterford, which will also benefit from international media exposure.’
    • ‘The windfall could be as high as €3,000 each, which would mean a €300 million boost for the economy.’
    • ‘This development could prove a tremendous boost for the economy.’
    • ‘The tranquillity that the limit will bring may yet be an economic boost for the Lake District, and not the threat that it is often portrayed.’
    • ‘The news is also a timely boost for the local economy.’
    • ‘A spokesman for Comhairle Nan Eilean Siar, the Council for the Western Isles, said the film had been a great boost for the economy.’
    • ‘But it's been a great boost for us to have had him here.’
    • ‘One plant in particular could soon become a major boost for the local economy.’
    • ‘We are hoping for upwards of £4 million which is going to be a significant boost for the local economy and local people.’
    • ‘It would also be a great boost for the team, and increase our points tally, but we know that it won't be easy as our competitors are more aggressive than ever.’
    • ‘It will be a great boost for the local economy and hopefully kick-start a wider regeneration of the area.’
    • ‘This helps give the page a boost for searches which match the words which are marked as more important in this way.’
    • ‘While driver support is still sketchy, 64-bit computing can provide a performance boost for the applications that support it.’
    • ‘The casinos are expected to create thousands of the jobs and provide a much-needed boost for the economy.’
    uplift, lift, spur, encouragement, help, inspiration, stimulus, pick-me-up, fillip
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    1. 1.1 An increase or improvement.
      ‘a boost in exports’
      • ‘Ideally, this leads to muscle gains down the road due to the subsequent boost in growth hormone your body experiences.’
      • ‘This sector should get a boost from increased funding for transportation projects.’
      • ‘The big boost came from exports, the same source of most growth over the past year.’
      • ‘With the property boom, furniture is experiencing a parallel boost, with increased demand for antique and contemporary pieces.’
      • ‘This could mean a great boost in muscle-building potential for bodybuilders.’
      • ‘The textbook solution to this problem is for a fall in the US dollar against other currencies leading to a boost in US exports.’
      • ‘Carmakers and retailers also anticipate a boost amid evidence that growth in consumer spending is slowing.’
      • ‘A hydraulic boost to the elevator enables the pilots to counter this condition.’
      • ‘With the advent of the microchip came significant boosts in elevator-control efficiency.’
      • ‘Besides, he should get a boost from an increasingly robust recovery.’
      • ‘In Western Australia a team of researchers has discovered that sheep will get an increased boost of vitamin E if they're grazed on saltbush.’
      • ‘Retail sales got a welcome boost in November, rising 2.8% over the previous month.’
      • ‘Government spending also rose, even though defence spending was flat after giving a big boost to growth in the second quarter.’
      • ‘A strong continental trade for good weanlings has seen a sharp rise in live exports and a boost in return to producers of quality stock.’
      • ‘This is mainly due to the mechanical effect of the one-off boost to revenues of advancing the date of payments of capital gains tax in 2003.’
      • ‘Innovation drives new product development, opens new market opportunities and boosts food industry growth.’
      • ‘Traditionally, one would expect a meaningful boost from the export sector.’
      • ‘The resulting boost in world demand growth triggered a rise in U.S. import prices that bolstered domestic inflation pressures.’
      • ‘The stock markets, particularly blue chips, got an early boost from data showing expansion in manufacturing and stabilization of consumer sentiment.’
      • ‘The emancipation of the serfs in Russia in 1861 had given a huge boost to the development of capitalism.’
      increase, expansion, upturn, upsurge, upswing, rise, elevation, escalation, augmentation, improvement, development, advance, growth, boom, spurt
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  • 2North American A push from below.

    • ‘You gave me a boost over the high fences.’
    • ‘He gave me a boost over the wall then looked over at his house one more time then went over the wall as well.’
    • ‘This time, Ian gave me a boost up, and I was climbing.’
    • ‘She gave me a boost up so I could crawl into it, being the smallest one of us.’
    lift up, hoist up, push, thrust, shove, heave
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Early 19th century (originally US, in boost (sense 2 of the verb)): of unknown origin.