1 demonstrate | Definition of demonstrate

demonstrate

verb
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

Synonyms

establish, prove, show, substantiate

Antonyms

disprove

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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

What is undeniable is that Mr. Lewandowski is representative of today’s Republican Party here, as demonstrated by Mr. Sununu’s delicate footwork. Jonathan Martin, New York Times, "Will Trumpism Take Deeper Root in New Hampshire?," 3 Sep. 2019 Early fame, and the public cruelty that too often accompanies it, can be a desperately brutal experience, as too many child stars have demonstrated. Emily Dixon, Marie Claire, "Justin Bieber Opened Up About His Heavy Drug Use and Toxic Relationships in Early Fame," 3 Sep. 2019 And as Strol demonstrates, wherever bears historically wandered, the humans who lived alongside them incorporated the animals into their mythologies. David James, Anchorage Daily News, "New book explores mankind’s fascination with bears, from Stone Age to 'Winnie the Pooh’," 31 Aug. 2019 Congenital syphilis, picked up by the fetus in utero, often went undetected in babies and was easily passed on by inoculation – as was clearly demonstrated by several outbreaks of syphilis following vaccination. The Economist, "The original anti-vaxxers," 30 Aug. 2019 Technical progress does not ensure moral progress, as was powerfully demonstrated by the two world wars of the 20th century and the many ensuing conflicts since. Alexander Thomas, Quartz, "The problem with wanting to reverse aging that no one talks about," 30 Aug. 2019 As the cerebral writer who finally finds bodily pleasure with the fiery, unpredictable Vita, Debicki demonstrates a grounded nuance and brings new elements to her range. Katie Walsh, Los Angeles Times, "Review: ‘Vita and Virginia,’ a swooning and subversive portrait of a literary love affair," 28 Aug. 2019 That helps explain the fervor demonstrated by some of the anti-Hong Kong protesters. Yaqiu Wang, Twin Cities, "Yaqiu Wang: Why so many Chinese students can’t understand the Hong Kong protests," 27 Aug. 2019 But these changes are subtle, cross-fading from one form to the next as the company masterfully demonstrates their dexterity in a variety of styles. Lauren Warnecke, chicagotribune.com, "SummerDance Celebration was a perfect day in the park, plus a plea for Chicagoans to see more dance indoors this fall," 24 Aug. 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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More Definitions for demonstrate

demonstrate

verb

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

demonstrate

verb
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.

demonstrate

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

Medical Definition of demonstrate