dem·​on·​strate | \ ˈde-mən-ˌstrāt How to pronounce demonstrate (audio) \
demonstrated; demonstrating

Definition of demonstrate

transitive verb

1 : to show clearly demonstrate a willingness to cooperate must demonstrate mastery of the subject matter in order to pass the class The police demonstrated calm restraint during the riot.
2a : to prove or make clear by reasoning or evidence crowded classrooms that demonstrate the need for more schools in the area
b : to illustrate and explain especially with many examples demonstrate a procedure
3 : to show or prove the value or efficiency of to a prospective buyer demonstrate a new kitchen gadget

intransitive verb

: to make a demonstration Allow me to demonstrate. crowds demonstrating for the right to vote

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Synonyms & Antonyms for demonstrate


establish, prove, show, substantiate



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Choose the Right Synonym for demonstrate

show, manifest, evidence, evince, demonstrate mean to reveal outwardly or make apparent. show is the general term but sometimes implies that what is revealed must be gained by inference from acts, looks, or words. careful not to show his true feelings manifest implies a plainer, more immediate revelation. manifested musical ability at an early age evidence suggests serving as proof of the actuality or existence of something. a commitment evidenced by years of loyal service evince implies a showing by outward marks or signs. evinced not the slightest fear demonstrate implies showing by action or by display of feeling. demonstrated their approval by loud applause

Examples of demonstrate in a Sentence

Each student must demonstrate mastery of the subject matter in order to pass the class. Employees must demonstrate competence in certain skills before they can work independently. The medication will not be marketed until it is demonstrated to be safe. The latest test results clearly demonstrate that the vaccine works. The group's failed efforts demonstrate how difficult it is to convince people to change their habits. They have demonstrated a willingness to negotiate. Several people will be demonstrating traditional farming techniques. The instructor demonstrated the correct procedure for pruning a tree. Would you mind demonstrating how the machine works?
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Recent Examples on the Web

The psychological research does, however, offer us a silver lining to this storm cloud, with various experiments demonstrating that people can learn to be better lie detectors with a little training in critical thinking. David Robson, CNN, "How to be a human lie detector of fake news, according to the latest science," 16 Sep. 2019 Then, the crowd moved to the butterfly garden in the center lawn of Heritage Farm where Alisa Gerbec and Sandy Barszcz demonstrated how to tag monarchs so they can be tracked to their winter home in Mexico. Sam Boyer,, "Canines and butterflies took the prize at Heritage Farm: Photos," 15 Sep. 2019 Likewise there are a growing number of consequential studies demonstrating the risk increased violence and adverse effects on society following legalization and increase use. Letter Writers, Twin Cities, "Letters: Consider all the costs of separating babies from their incarcerated mothers," 15 Sep. 2019 On Sunday, the center will offer rotating 25-minute classes during a 70th anniversary celebration.(File Photo) Sunday’s event is likely to find Don Siminski demonstrating his skills on one of many pottery wheels in the center’s ceramics department. La Cañada Valley Sun, "LCF Community Center, first known as the Youth House, to mark 70th anniversary," 12 Sep. 2019 The Syrian uprising was set in motion in 2011, when citizens began demonstrating against Bashar al-Assad and the autocratic regime run by the Assad family for four decades. Dexter Filkins, The New Yorker, "The Moral Logic of Humanitarian Intervention," 9 Sep. 2019 The baby-faced second-year punter's follow-through was the stuff of legend, captured in slow motion on the NBC broadcast and demonstrating just how flexible the dude really is. Jr Radcliffe, Milwaukee Journal Sentinel, "JK Scott 'game winner' punt immortalized on T-shirt by former NFL punter Pat McAfee," 7 Sep. 2019 The Moscow protests, the largest since 2012, have demonstrated that Vladimir Putin is running out of non-violent means of sustaining himself in power. The Economist, "Repression in Russia no longer works as well as it did," 5 Sep. 2019 The new voter feels that his country has been embarrassingly weak for too long and must demonstrate its strength. Johann Chacko, Quartz India, "Like Pakistan, India may soon face the catastrophic costs of steroid-driven nationalism," 3 Sep. 2019

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'demonstrate.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of demonstrate

1548, in the meaning defined at transitive sense 1

History and Etymology for demonstrate

borrowed from Latin dēmonstrātus, past participle of dēmonstrāre "to draw attention to, indicate, describe, show," from dē- de- + monstrāre "to point out, show" — more at muster entry 2

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Learn More about demonstrate

Statistics for demonstrate

Last Updated

19 Oct 2019

Look-up Popularity

Time Traveler for demonstrate

The first known use of demonstrate was in 1548

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More Definitions for demonstrate



English Language Learners Definition of demonstrate

: to prove (something) by showing examples of it : to show evidence of (something)
: to prove (something) by being an example of it : to be evidence of (something)
: to show (a quality, feeling, etc.) clearly to other people


dem·​on·​strate | \ ˈde-mən-ˌstrāt How to pronounce demonstrate (audio) \
demonstrated; demonstrating

Kids Definition of demonstrate

1 : to show clearly He demonstrates a willingness to change.
2 : to prove or make clear by reasoning Galileo demonstrated that the earth revolves around the sun.
3 : to explain (as in teaching) by use of examples or experiments My science project demonstrates blood circulation.
4 : to show to people the good qualities of an article or a product demonstrate a new car
5 : to make a public display (as of feelings or military force) Marchers demonstrated for human rights.


dem·​on·​strate | \ ˈdem-ən-ˌstrāt How to pronounce demonstrate (audio) \
demonstrated; demonstrating

Medical Definition of demonstrate

transitive verb

1 : to show clearly demonstrated the artery arteriographically
2 : to prove or make clear by reasoning or evidence

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Comments on demonstrate

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