Definition of demonstrate in English:

demonstrate

verb

  • 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.’
    • ‘Some of these tapes clearly demonstrate the incompetence of the investigation.’
    • ‘The applicant had demonstrated that health and safety guidelines had been complied with and approval of the mast was recommended.’
    • ‘This motion has demonstrated that council does have a voice - as it should.’
    • ‘However, the situation every Friday clearly demonstrates the need for a bypass.’
    • ‘Phinney demonstrated that folklore was a legitimate academic field of study.’
    • ‘This suggestion clearly demonstrates a remarkable lack of understanding of how a postmaster is paid for the work he/she does.’
    • ‘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.’
    • ‘It was demonstrated that when a magnet on a stick is placed near the crystal, the magnet is repelled.’
    • ‘Clark's legal team demonstrated that vital medical evidence had been suppressed by the prosecution.’
    • ‘The book demonstrated that privacy is not just a matter for celebrities.’
    • ‘Diaghilev demonstrated that music could and should have an organic function in ballet, not merely serve a decorative purpose.’
    • ‘However, as we demonstrated in the independent public inquiry, nothing could be further from the truth.’
    • ‘Barnard had demonstrated that heart transplants were possible.’
    • ‘This warning was given after it was demonstrated that obtaining a licence in someone else's name was a trivial task.’
    • ‘It was he who demonstrated to the public way back in 1846 that he could render a patient unconscious without pain.’
    • ‘Well, all of our wars have demonstrated that airpower is but one part of the national strength.’
    • ‘Defence athletes have demonstrated that age is no barrier for people determined to get out and have a go.’
    • ‘A number of animal studies have demonstrated that exposure to lead salts is capable of inducing cancer.’
    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. 1.1 Show (a feeling or quality) by one's actions:
      ‘she began to demonstrate a new-found confidence’
      • ‘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.’
      • ‘She demonstrates her impressive long distance catching here.’
      • ‘The learners must demonstrate competence in all technical skills by performing the tasks.’
      • ‘Most pupils of that time treasure years of happy memories, as demonstrated by the huge enthusiastic reunions.’
      • ‘In short, the manager has to find succour from shoestrings, a quality that Scott has demonstrated in the past.’
      • ‘It just demonstrates the work and commitment of our local school even during the summer holidays.’
      • ‘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.’
      • ‘This is a well-researched piece of work that demonstrates the skill and care of the architects in telling such a story.’
      • ‘The award is presented to the candidate who most clearly demonstrates a strong commitment to the music teaching profession.’
      • ‘Gayle, arms raised towards the heavens and head thrown back, demonstrated nothing more than self-indulgence.’
      • ‘Throughout this campaign he has demonstrated how out of touch he is by failing to make any impact on the dominant public services issue.’
      • ‘Their virtues and social responsibility can be demonstrated through their contributions.’
      • ‘Often those engaged in a navy's work must demonstrate high skill and courage.’
      • ‘To do that, learn how to perform correctly so you can demonstrate your skills consistently.’
      • ‘Suddenly Duffy's charges began to demonstrate a bit of pluck.’
      • ‘Sunday night's performance did little to demonstrate Williams' abilities.’
      • ‘It demonstrated how comprehensively one could control one's body and express oneself using the body.’
      • ‘His work demonstrates the skill of the cabinetmaker at its most intricate.’
      • ‘The tribute show in particular demonstrated how instantly witty he was.’
      • ‘The finale takes on almost orchestral proportions, demonstrating the composer's wish to be associated with more than folk music and cute miniatures.’
      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’
    • ‘He ducked in and out of the atmosphere to demonstrate the craft's dual capabilities.’
    • ‘On the opening day of the exhibition, Pipop will demonstrate his painting skills by creating a painting in public.’
    • ‘In addition, no other compound of the translation machinery has been demonstrated to function as a feedback regulator.’
    • ‘Merja demonstrated how to throw water from the buckets onto the stones, so a wave of intense heat rushed over us.’
    • ‘The project demonstrated how teleoperated echographic diagnosis can be carried out’
    • ‘Men from the regiment gave military displays and demonstrated how to load muskets.’
    • ‘As he demonstrated how to strike the ball, he ended up flat on his back, much to the disgust of Declan.’
    • ‘Techniques to minimise stress at work were demonstrated at the campaign.’
    • ‘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.’
    • ‘George demonstrated how his tap water had a milky colour and he was afraid to drink it.’
    • ‘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.’
    • ‘After quieting us students down, both teachers demonstrated how to make a proper lay-up.’
    • ‘The promoter had even installed a machine and demonstrated how these plates and cups were moulded.’
    • ‘These are the same words spoken by the mechanical voice before the eating machine is demonstrated.’
    • ‘He set up a stall with a stove and demonstrated how to cook his invention.’
    • ‘The helicopter crew also demonstrated how an injured man could be rescued from a fishing boat in the high seas.’
    • ‘Maritime crafts will be demonstrated in a marquee featuring stalls of wood carving, rope craft and the secrets of ship bottling.’
    • ‘Each model has its own theoretical consistency and practicality that demonstrates its clinical efficacy.’
    • ‘My job was to demonstrate the Tomcat's performance and tactical capabilities.’
    • ‘Leibniz visited the Royal Society, and demonstrated his incomplete calculating machine.’
    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’
    • ‘Thousands were demonstrating today - I think near the Ministry of Oil (though someone said it was somewhere else).’
    • ‘Hundreds of thousands of people demonstrated against the high cost of living in March and April.’
    • ‘The following Sunday, a million people gathered in Paris to demonstrate in favour of independent schools.’
    • ‘Last Saturday thousands demonstrated in protest at the housing crisis.’
    • ‘A couple of weeks ago, thousands of officers demonstrated in the square.’
    • ‘Several thousand journalists demonstrated in the city against restrictions on press freedom.’
    • ‘Couldn't the point be made equally effectively by demonstrating in some more public space where private homes and families wouldn't be disrupted?’
    • ‘Thousands of us were demonstrating in Colchester and the police had barred our way from marching into town.’
    • ‘Today, there was about a half-dozen people across the street carrying signs demonstrating in favor of the monument being moved.’
    • ‘Thousands were demonstrating today all over the country.’
    • ‘Thousands demonstrated and they were joined by striking firefighters.’
    • ‘Throughout Latin America thousands of people demonstrated on 15 February.’
    • ‘That is why tens of thousands of us have demonstrated against fees.’
    • ‘In Chicago thousands demonstrated, blocking traffic and several times breaching lines of riot and mounted police.’
    • ‘Another 40,000 marched in San Francisco, with thousands more demonstrating in Amsterdam, Berlin and other European cities.’
    • ‘But even as they meet, thousands of protesters are demonstrating in the area.’
    • ‘Thousands of students demonstrated at the university.’
    • ‘It is those of us without cars who should be demonstrating because we get such a raw deal with public transport.’
    • ‘Many thousands struck and demonstrated in other parts of the country.’
    protest, rally, hold a rally, march, parade
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Origin

Mid 16th century (in the sense ‘point out’): from Latin demonstrat- pointed out, from the verb demonstrare.

Pronunciation:

demonstrate

/ˈdɛmənstreɪt/