Definition of demonstrate in English:


See synonyms for demonstrate

Translate demonstrate into Spanish

transitive verb

[with object]
  • 1Give a practical exhibition and explanation of (how a machine, skill, or craft works or is performed)

    ‘computerized design methods will be demonstrated’
    • ‘he demonstrated how to make his favorite hotdog’
    • ‘The promoter had even installed a machine and demonstrated how these plates and cups were moulded.’
    • ‘On the opening day of the exhibition, Pipop will demonstrate his painting skills by creating a painting in public.’
    • ‘Techniques to minimise stress at work were demonstrated at the campaign.’
    • ‘Maritime crafts will be demonstrated in a marquee featuring stalls of wood carving, rope craft and the secrets of ship bottling.’
    • ‘Men from the regiment gave military displays and demonstrated how to load muskets.’
    • ‘He ducked in and out of the atmosphere to demonstrate the craft's dual capabilities.’
    • ‘Each model has its own theoretical consistency and practicality that demonstrates its clinical efficacy.’
    • ‘Leibniz visited the Royal Society, and demonstrated his incomplete calculating machine.’
    • ‘These are the same words spoken by the mechanical voice before the eating machine is demonstrated.’
    • ‘George demonstrated how his tap water had a milky colour and he was afraid to drink it.’
    • ‘The project demonstrated how teleoperated echographic diagnosis can be carried out’
    • ‘The helicopter crew also demonstrated how an injured man could be rescued from a fishing boat in the high seas.’
    • ‘He set up a stall with a stove and demonstrated how to cook his invention.’
    • ‘As he demonstrated how to strike the ball, he ended up flat on his back, much to the disgust of Declan.’
    • ‘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.’
    • ‘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.’
    • ‘In addition, no other compound of the translation machinery has been demonstrated to function as a feedback regulator.’
    • ‘After quieting us students down, both teachers demonstrated how to make a proper lay-up.’
    • ‘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.’
    give a demonstration of, show how something is done, show how something works
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    Video: a look at demonstrate

  • 2Clearly show the existence or truth of (something) by giving proof or evidence.

    ‘their shameful silence demonstrates their ineptitude’
    • ‘Clark's legal team demonstrated that vital medical evidence had been suppressed by the prosecution.’
    • ‘In this paper it is demonstrated that transient expression can easily be performed in ripe fleshy fruits.’
    • ‘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.’
    • ‘The book demonstrated that privacy is not just a matter for celebrities.’
    • ‘Phinney demonstrated that folklore was a legitimate academic field of study.’
    • ‘Diaghilev demonstrated that music could and should have an organic function in ballet, not merely serve a decorative purpose.’
    • ‘In any event, it was not demonstrated that the booklet was founded on any applicable legislation or regulation.’
    • ‘This warning was given after it was demonstrated that obtaining a licence in someone else's name was a trivial task.’
    • ‘Barnard had demonstrated that heart transplants were possible.’
    • ‘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.’
    • ‘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.’
    • ‘This suggestion clearly demonstrates a remarkable lack of understanding of how a postmaster is paid for the work he/she does.’
    • ‘However, the situation every Friday clearly demonstrates the need for a bypass.’
    • ‘Some of these tapes clearly demonstrate the incompetence of the investigation.’
    • ‘It was he who demonstrated to the public way back in 1846 that he could render a patient unconscious without pain.’
    • ‘However, as we demonstrated in the independent public inquiry, nothing could be further from the truth.’
    • ‘Projects had to be sustainable, give value for money and demonstrate how the public would benefit.’
    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. 2.1Show or express (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.’
      • ‘Suddenly Duffy's charges began to demonstrate a bit of pluck.’
      • ‘She demonstrates her impressive long distance catching here.’
      • ‘The finale takes on almost orchestral proportions, demonstrating the composer's wish to be associated with more than folk music and cute miniatures.’
      • ‘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 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.’
      • ‘Gayle, arms raised towards the heavens and head thrown back, demonstrated nothing more than self-indulgence.’
      • ‘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.’
      • ‘The learners must demonstrate competence in all technical skills by performing the tasks.’
      • ‘Sunday night's performance did little to demonstrate Williams' abilities.’
      • ‘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.’
      • ‘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.’
      • ‘It demonstrated how comprehensively one could control one's body and express oneself using the body.’
      • ‘It just demonstrates the work and commitment of our local school even during the summer holidays.’
      • ‘The award is presented to the candidate who most clearly demonstrates a strong commitment to the music teaching profession.’
      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 against illegal deforestation’
    • ‘Thousands were demonstrating today all over the country.’
    • ‘Thousands of students demonstrated at the university.’
    • ‘Another 40,000 marched in San Francisco, with thousands more demonstrating in Amsterdam, Berlin and other European cities.’
    • ‘Throughout Latin America thousands of people demonstrated on 15 February.’
    • ‘Several thousand journalists demonstrated in the city against restrictions on press freedom.’
    • ‘Hundreds of thousands of people demonstrated against the high cost of living in March and April.’
    • ‘It is those of us without cars who should be demonstrating because we get such a raw deal with public transport.’
    • ‘The following Sunday, a million people gathered in Paris to demonstrate in favour of independent schools.’
    • ‘The opposition is planning street protests to demonstrate against government corruption.’
    • ‘They planned to demonstrate against the Government and eventually overthrow it.’
    • ‘ It is not a crime to demonstrate and petition according to our Constitution.’
    • ‘We took to the streets to protest and demonstrate.’
    • ‘Between 60 and 70 people demonstrated outside court Tuesday morning.’
    • ‘Crowds also demonstrated in other parts of the city and throughout the state.’
    • ‘Anti-government protesters had been peacefully demonstrating at the airport for a fourth day.’
    protest, rally, hold a rally, march, parade
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/ˈdemənˌstrāt/ /ˈdɛmənˌstreɪt/


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