Definition of demonstrate in English:

demonstrate

verb

  • 1with 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’
    • ‘Men from the regiment gave military displays and demonstrated how to load muskets.’
    • ‘George demonstrated how his tap water had a milky colour and he was afraid to drink it.’
    • ‘Each model has its own theoretical consistency and practicality that demonstrates its clinical efficacy.’
    • ‘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.’
    • ‘Maritime crafts will be demonstrated in a marquee featuring stalls of wood carving, rope craft and the secrets of ship bottling.’
    • ‘Leibniz visited the Royal Society, and demonstrated his incomplete calculating machine.’
    • ‘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.’
    • ‘Merja demonstrated how to throw water from the buckets onto the stones, so a wave of intense heat rushed over us.’
    • ‘On the opening day of the exhibition, Pipop will demonstrate his painting skills by creating a painting in public.’
    • ‘He set up a stall with a stove and demonstrated how to cook his invention.’
    • ‘The project demonstrated how teleoperated echographic diagnosis can be carried out’
    • ‘My job was to demonstrate the Tomcat's performance and tactical capabilities.’
    • ‘After quieting us students down, both teachers demonstrated how to make a proper lay-up.’
    • ‘In addition, no other compound of the translation machinery has been demonstrated to function as a feedback regulator.’
    • ‘These are the same words spoken by the mechanical voice before the eating machine is demonstrated.’
    • ‘The promoter had even installed a machine and demonstrated how these plates and cups were moulded.’
    • ‘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.’
    • ‘The helicopter crew also demonstrated how an injured man could be rescued from a fishing boat in the high seas.’
    • ‘He ducked in and out of the atmosphere to demonstrate the craft's dual capabilities.’
    give a demonstration of, show how something is done, show how something works
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  • 2with object Clearly show the existence or truth of (something) by giving proof or evidence.

    ‘their shameful silence demonstrates their ineptitude’
    • ‘In any event, it was not demonstrated that the booklet was founded on any applicable legislation or regulation.’
    • ‘The applicant had demonstrated that health and safety guidelines had been complied with and approval of the mast was recommended.’
    • ‘Phinney demonstrated that folklore was a legitimate academic field of study.’
    • ‘However, the situation every Friday clearly demonstrates the need for a bypass.’
    • ‘This warning was given after it was demonstrated that obtaining a licence in someone else's name was a trivial task.’
    • ‘Some of these tapes clearly demonstrate the incompetence of the investigation.’
    • ‘Clark's legal team demonstrated that vital medical evidence had been suppressed by the prosecution.’
    • ‘However, as we demonstrated in the independent public inquiry, nothing could be further from the truth.’
    • ‘In this paper it is demonstrated that transient expression can easily be performed in ripe fleshy fruits.’
    • ‘Diaghilev demonstrated that music could and should have an organic function in ballet, not merely serve a decorative purpose.’
    • ‘The book demonstrated that privacy is not just a matter for celebrities.’
    • ‘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 suggestion clearly demonstrates a remarkable lack of understanding of how a postmaster is paid for the work he/she does.’
    • ‘Barnard had demonstrated that heart transplants were possible.’
    • ‘It was he who demonstrated to the public way back in 1846 that he could render a patient unconscious without pain.’
    • ‘Projects had to be sustainable, give value for money and demonstrate how the public would benefit.’
    • ‘This motion has demonstrated that council does have a voice - as it should.’
    • ‘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. 2.1 Show (a feeling or quality) by one's actions.
      ‘she began to demonstrate a new-found confidence’
      • ‘Their virtues and social responsibility can be demonstrated through their contributions.’
      • ‘Throughout this campaign he has demonstrated how out of touch he is by failing to make any impact on the dominant public services issue.’
      • ‘Suddenly Duffy's charges began to demonstrate a bit of pluck.’
      • ‘The finale takes on almost orchestral proportions, demonstrating the composer's wish to be associated with more than folk music and cute miniatures.’
      • ‘Sunday night's performance did little to demonstrate Williams' abilities.’
      • ‘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.’
      • ‘The learners must demonstrate competence in all technical skills by performing the tasks.’
      • ‘It just demonstrates the work and commitment of our local school even during the summer holidays.’
      • ‘She demonstrates her impressive long distance catching here.’
      • ‘The tribute show in particular demonstrated how instantly witty he was.’
      • ‘It demonstrated how comprehensively one could control one's body and express oneself using the body.’
      • ‘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.’
      • ‘This is a well-researched piece of work that demonstrates the skill and care of the architects in telling such a story.’
      • ‘His work demonstrates the skill of the cabinetmaker at its most intricate.’
      • ‘In short, the manager has to find succour from shoestrings, a quality that Scott has demonstrated in the past.’
      • ‘Most pupils of that time treasure years of happy memories, as demonstrated by the huge enthusiastic reunions.’
      • ‘Gayle, arms raised towards the heavens and head thrown back, demonstrated nothing more than self-indulgence.’
      • ‘The award is presented to the candidate who most clearly demonstrates a strong commitment to the music teaching profession.’
      • ‘To do that, learn how to perform correctly so you can demonstrate your skills consistently.’
      show, show beyond doubt, indicate, determine, establish, prove, validate, confirm, verify, corroborate, substantiate, constitute evidence, constitute proof
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  • 3no object Take part in a public demonstration.

    ‘thousands demonstrated in favour of the government’
    • ‘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.’
    • ‘Throughout Latin America thousands of people demonstrated on 15 February.’
    • ‘Today, there was about a half-dozen people across the street carrying signs demonstrating in favor of the monument being moved.’
    • ‘Last Saturday thousands demonstrated in protest at the housing crisis.’
    • ‘Thousands were demonstrating today - I think near the Ministry of Oil (though someone said it was somewhere else).’
    • ‘A couple of weeks ago, thousands of officers demonstrated in the square.’
    • ‘Thousands demonstrated and they were joined by striking firefighters.’
    • ‘Many thousands struck and demonstrated in other parts of the country.’
    • ‘But even as they meet, thousands of protesters are demonstrating in the area.’
    • ‘Thousands were demonstrating today all over the country.’
    • ‘It is those of us without cars who should be demonstrating because we get such a raw deal with public transport.’
    • ‘Another 40,000 marched in San Francisco, with thousands more demonstrating in Amsterdam, Berlin and other European cities.’
    • ‘Thousands of students demonstrated at the university.’
    • ‘That is why tens of thousands of us have demonstrated against fees.’
    • ‘The following Sunday, a million people gathered in Paris to demonstrate in favour of independent schools.’
    • ‘In Chicago thousands demonstrated, blocking traffic and several times breaching lines of riot and mounted police.’
    • ‘Hundreds of thousands of people demonstrated against the high cost of living in March and April.’
    • ‘Several thousand journalists demonstrated in the city against restrictions on press freedom.’
    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/