Definition of demonstrate in English:



  • 1[with object] Clearly show the existence or truth of (something) by giving proof or evidence.

    ‘their shameful silence demonstrates their ineptitude’
    • ‘Projects had to be sustainable, give value for money and demonstrate how the public would benefit.’
    • ‘Defence athletes have demonstrated that age is no barrier for people determined to get out and have a go.’
    • ‘This suggestion clearly demonstrates a remarkable lack of understanding of how a postmaster is paid for the work he/she does.’
    • ‘It was he who demonstrated to the public way back in 1846 that he could render a patient unconscious without pain.’
    • ‘Phinney demonstrated that folklore was a legitimate academic field of study.’
    • ‘This motion has demonstrated that council does have a voice - as it should.’
    • ‘The book demonstrated that privacy is not just a matter for celebrities.’
    • ‘In any event, it was not demonstrated that the booklet was founded on any applicable legislation or regulation.’
    • ‘In this paper it is demonstrated that transient expression can easily be performed in ripe fleshy fruits.’
    • ‘Clark's legal team demonstrated that vital medical evidence had been suppressed by the prosecution.’
    • ‘However, the situation every Friday clearly demonstrates the need for a bypass.’
    • ‘Barnard had demonstrated that heart transplants were possible.’
    • ‘The applicant had demonstrated that health and safety guidelines had been complied with and approval of the mast was recommended.’
    • ‘However, as we demonstrated in the independent public inquiry, nothing could be further from the truth.’
    • ‘A number of animal studies have demonstrated that exposure to lead salts is capable of inducing cancer.’
    • ‘Some of these tapes clearly demonstrate the incompetence of the investigation.’
    • ‘Diaghilev demonstrated that music could and should have an organic function in ballet, not merely serve a decorative purpose.’
    • ‘Well, all of our wars have demonstrated that airpower is but one part of the national strength.’
    • ‘It was demonstrated that when a magnet on a stick is placed near the crystal, the magnet is repelled.’
    • ‘This warning was given after it was demonstrated that obtaining a licence in someone else's name was a trivial task.’
    reveal, bespeak, indicate, signify, signal, denote, show, display, exhibit, express, manifest, evince, evidence, be evidence of, be an indication of, bear witness to, testify to
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    1. 1.1Show (a feeling or quality) by one's actions.
      ‘she began to demonstrate a new-found confidence’
      • ‘Suddenly Duffy's charges began to demonstrate a bit of pluck.’
      • ‘It just demonstrates the work and commitment of our local school even during the summer holidays.’
      • ‘In short, the manager has to find succour from shoestrings, a quality that Scott has demonstrated in the past.’
      • ‘The award is presented to the candidate who most clearly demonstrates a strong commitment to the music teaching profession.’
      • ‘The learners must demonstrate competence in all technical skills by performing the tasks.’
      • ‘It demonstrated how comprehensively one could control one's body and express oneself using the body.’
      • ‘Sunday night's performance did little to demonstrate Williams' abilities.’
      • ‘She demonstrates her impressive long distance catching here.’
      • ‘Gayle, arms raised towards the heavens and head thrown back, demonstrated nothing more than self-indulgence.’
      • ‘Often those engaged in a navy's work must demonstrate high skill and courage.’
      • ‘It wasn't long before the teenager was demonstrating both the self-assurance for which he is renowned and the chip that has taken up residence on his shoulder.’
      • ‘Most pupils of that time treasure years of happy memories, as demonstrated by the huge enthusiastic reunions.’
      • ‘This is a well-researched piece of work that demonstrates the skill and care of the architects in telling such a story.’
      • ‘The finale takes on almost orchestral proportions, demonstrating the composer's wish to be associated with more than folk music and cute miniatures.’
      • ‘A group has been on a rally to London to demonstrate its feelings and has also spelt out its views to Institute chiefs in a bid to keep tuition fees as low as possible.’
      • ‘Their virtues and social responsibility can be demonstrated through their contributions.’
      • ‘His work demonstrates the skill of the cabinetmaker at its most intricate.’
      • ‘To do that, learn how to perform correctly so you can demonstrate your skills consistently.’
      • ‘Throughout this campaign he has demonstrated how out of touch he is by failing to make any impact on the dominant public services issue.’
      • ‘The tribute show in particular demonstrated how instantly witty he was.’
      show, show beyond doubt, indicate, determine, establish, prove, validate, confirm, verify, corroborate, substantiate, constitute evidence, constitute proof
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  • 2[with object] Give a practical exhibition and explanation of (how a machine, skill, or craft works or is performed)

    ‘computerized design methods will be demonstrated’
    [with clause] ‘she demonstrated how to cook chops’
    • ‘On the opening day of the exhibition, Pipop will demonstrate his painting skills by creating a painting in public.’
    • ‘As he demonstrated how to strike the ball, he ended up flat on his back, much to the disgust of Declan.’
    • ‘He ducked in and out of the atmosphere to demonstrate the craft's dual capabilities.’
    • ‘Maritime crafts will be demonstrated in a marquee featuring stalls of wood carving, rope craft and the secrets of ship bottling.’
    • ‘These are the same words spoken by the mechanical voice before the eating machine is demonstrated.’
    • ‘Leibniz visited the Royal Society, and demonstrated his incomplete calculating machine.’
    • ‘Merja demonstrated how to throw water from the buckets onto the stones, so a wave of intense heat rushed over us.’
    • ‘My job was to demonstrate the Tomcat's performance and tactical capabilities.’
    • ‘He set up a stall with a stove and demonstrated how to cook his invention.’
    • ‘In addition, no other compound of the translation machinery has been demonstrated to function as a feedback regulator.’
    • ‘The promoter had even installed a machine and demonstrated how these plates and cups were moulded.’
    • ‘We spent a day walking in the country and he proudly demonstrated how the pockets in his special walking trousers were exactly the right size to fit maps into.’
    • ‘Each model has its own theoretical consistency and practicality that demonstrates its clinical efficacy.’
    • ‘The helicopter crew also demonstrated how an injured man could be rescued from a fishing boat in the high seas.’
    • ‘Men from the regiment gave military displays and demonstrated how to load muskets.’
    • ‘Techniques to minimise stress at work were demonstrated at the campaign.’
    • ‘The project demonstrated how teleoperated echographic diagnosis can be carried out’
    • ‘During the afternoon a Sea King and its crew demonstrated how it would do a rescue at sea with a diver being winched to safety from Farm Cove.’
    • ‘After quieting us students down, both teachers demonstrated how to make a proper lay-up.’
    • ‘George demonstrated how his tap water had a milky colour and he was afraid to drink it.’
    give a demonstration of, show how something is done, show how something works
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  • 3[no object] Take part in a public demonstration.

    ‘thousands demonstrated in favour of the government’
    • ‘Another 40,000 marched in San Francisco, with thousands more demonstrating in Amsterdam, Berlin and other European cities.’
    • ‘Couldn't the point be made equally effectively by demonstrating in some more public space where private homes and families wouldn't be disrupted?’
    • ‘A couple of weeks ago, thousands of officers demonstrated in the square.’
    • ‘Thousands demonstrated and they were joined by striking firefighters.’
    • ‘Today, there was about a half-dozen people across the street carrying signs demonstrating in favor of the monument being moved.’
    • ‘Thousands of us were demonstrating in Colchester and the police had barred our way from marching into town.’
    • ‘But even as they meet, thousands of protesters are demonstrating in the area.’
    • ‘The following Sunday, a million people gathered in Paris to demonstrate in favour of independent schools.’
    • ‘Thousands were demonstrating today - I think near the Ministry of Oil (though someone said it was somewhere else).’
    • ‘Throughout Latin America thousands of people demonstrated on 15 February.’
    • ‘In Chicago thousands demonstrated, blocking traffic and several times breaching lines of riot and mounted police.’
    • ‘It is those of us without cars who should be demonstrating because we get such a raw deal with public transport.’
    • ‘Last Saturday thousands demonstrated in protest at the housing crisis.’
    • ‘Hundreds of thousands of people demonstrated against the high cost of living in March and April.’
    • ‘Many thousands struck and demonstrated in other parts of the country.’
    • ‘That is why tens of thousands of us have demonstrated against fees.’
    • ‘Several thousand journalists demonstrated in the city against restrictions on press freedom.’
    • ‘Thousands were demonstrating today all over the country.’
    • ‘Thousands of students demonstrated at the university.’
    protest, rally, hold a rally, march, parade
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Mid 16th century (in the sense ‘point out’): from Latin demonstrat- pointed out, from the verb demonstrare.