Definition of demonstrate verb from the Oxford Advanced Learner's Dictionary

        

    demonstrate

     verb
    verb
    BrE BrE//ˈdemənstreɪt//
     
    ; NAmE NAmE//ˈdemənstreɪt//
     
    Verb Forms present simple I / you / we / they demonstrate
    BrE BrE//ˈdemənstreɪt//
     
    ; NAmE NAmE//ˈdemənstreɪt//
     
    he / she / it demonstrates
    BrE BrE//ˈdemənstreɪts//
     
    ; NAmE NAmE//ˈdemənstreɪts//
     
    past simple demonstrated
    BrE BrE//ˈdemənstreɪtɪd//
     
    ; NAmE NAmE//ˈdemənstreɪtɪd//
     
    past participle demonstrated
    BrE BrE//ˈdemənstreɪtɪd//
     
    ; NAmE NAmE//ˈdemənstreɪtɪd//
     
    -ing form demonstrating
    BrE BrE//ˈdemənstreɪtɪŋ//
     
    ; NAmE NAmE//ˈdemənstreɪtɪŋ//
     
    Protest
     
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  1. 1  [transitive] to show something clearly by giving proof or evidence demonstrate that… These results demonstrate convincingly that our campaign is working. demonstrate something (to somebody) Let me demonstrate to you some of the difficulties we are facing. demonstrate how, what, etc… His sudden departure had demonstrated how unreliable he was. demonstrate somebody/something to be something The theories were demonstrated to be false. it is demonstrated that… It has been demonstrated that this drug is effective. Language BankevidenceGiving proof There is clear evidence that TV advertising influences what children buy. It is clear from numerous studies that TV advertising influences what children buy. Recent research demonstrates that TV advertising influences children’s spending habits. Many parents think that TV advertising influences their children. This view is supported by the findings of a recent study, which show a clear link between television advertisements and children’s spending habits. The findings also reveal that most children are unaware of the persuasive purpose of advertising. There is little evidence that children understand the persuasive intent of advertising. The results contradict claims that advertising is unrelated to children’s spending habits. Manufacturers argue that it is difficult to prove that advertising alone influences what children buy.
  2. 2[transitive] demonstrate something to show by your actions that you have a particular quality, feeling or opinion synonym display You need to demonstrate more self-control. We want to demonstrate our commitment to human rights.
  3. 3  [transitive] to show and explain how something works or how to do something demonstrate something (to somebody) Her job involves demonstrating new educational software. demonstrate (to somebody) how, what, etc… Let me demonstrate to you how it works.
  4. 4  [intransitive] to take part in a public meeting or march, usually as a protest or to show support for something synonym protest demonstrate (against something) students demonstrating against the war demonstrate (in favour/support of something) They are demonstrating in favour of free higher education. Wordfindercivil disobedience, demonstrate, hunger strike, march, occupy, placard, protest, riot, sabotage, uprising See related entries: Protest
  5. Word Origin mid 16th cent. (in the sense ‘point out’): from Latin demonstrat- ‘pointed out’, from the verb demonstrare.Extra examples Our study demonstrates beyond doubt that the play was written by Shakespeare. The President must demonstrate to the country that he is really in control. The prime minister must demonstrate to the country that he is really in control of his government. The study demonstrates beyond doubt the effectiveness of the new drug. Their objective was to demonstrate peacefully for civil rights. This tragedy graphically demonstrates the dangers of extreme sports. This tragedy graphically demonstrates the dangers of walking on the fells after dark.
See the Oxford Advanced American Dictionary entry: demonstrate