dem·​on·​stra·​tion | \ ˌde-mən-ˈstrā-shən How to pronounce demonstration (audio) \

Definition of demonstration

1 : an act, process, or means of demonstrating to the intelligence a demonstration of how to prune a tree : such as
a(1) : conclusive evidence : proof a demonstration of her guilt
(2) mathematics : derivation sense 5
b : a showing of the merits of a product or service to a prospective consumer a vacuum cleaner demonstration
2 : an outward expression or display a demonstration of compassion
3 : a show of armed force
4 : a public display of group feelings toward a person or cause peaceful demonstrations against the government anti-war demonstrations

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Other Words from demonstration

demonstrational \ ˌde-​mən-​ˈstrā-​shnəl How to pronounce demonstration (audio) , -​shə-​nᵊl \ adjective

Synonyms for demonstration


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Examples of demonstration in a Sentence

I went to a sculpture demonstration last weekend. One of the instructors gave a demonstration of how to prune a tree. Would you mind giving us a demonstration so that we can see how the machine works? He brought along a copy of the software for demonstration. Students took part in several nonviolent demonstrations against the government. The latest tests are a clear demonstration that the vaccine works. Many people sent cards and flowers in demonstration of their sympathy.
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Recent Examples on the Web The Pine Bluff Art League will host its first in-person meeting and art demonstration since the start of the covid-19 pandemic. Pine Bluff Commercial, Arkansas Online, "Calendar 5-1-21," 1 May 2021 At an April 13 meeting, Jessica Alexander compared opposition to mask mandates to Rosa Parks’ civil rights bus demonstration, my colleague Colleen Shalby reports. Thuc Nhi Nguyen Staff Writer, Los Angeles Times, "Coronavirus Today: Vaccine? Anyone?," 30 Apr. 2021 Mann said the group has planned the planting well, including a demonstration of the proper procedure with Ron Pitz, the former director of the Knox Park Foundation. Steven Goode,, "Bloomfield volunteers committed to replenishing the town’s tree population," 30 Apr. 2021 There were also two performances, a soul line dance and a tai chi demonstration, two more activities available at the center. Ana Faguy,, "‘It is time to reinvest in this community’: Hundreds rally in support of East Columbia 50+ Center renovation," 30 Apr. 2021 Major bit a National Park Service employee on the White House's South Lawn in March, his second demonstration of aggression since Biden's inauguration. Naomi Lim, Washington Examiner, "Major Biden is back at 1600 Pennsylvania Avenue — and he's getting a sister with nine lives and sharp claws," 30 Apr. 2021 To prove the 1006’s strength and resilience to the Navy, Dinges held a demonstration from an eighth-story hotel room in Chicago. Scott Suchman, Popular Mechanics, "The Unlikely Story of the World’s First Tactical Chair," 29 Apr. 2021 After a demonstration of Alina's powers, the Darkling reveals his true plan. Quinci Legardye, Marie Claire, "The Shadow Fold in 'Shadow and Bone,' Explained," 29 Apr. 2021 At the time Mandela was arrested and put on trial for treason in 1956 with other activists, the Montgomery bus boycott, the first large-scale U.S. demonstration against segregation, was under way. Amy Schwabe, Milwaukee Journal Sentinel, "Here are 5 reasons the Nelson Mandela exhibit at the Milwaukee Public Museum is so meaningful," 28 Apr. 2021

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'demonstration.' 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 demonstration

14th century, in the meaning defined at sense 1

History and Etymology for demonstration

Middle English demonstracioun, borrowed from Anglo-French & Latin; Anglo-French demonstration, demustracioun, borrowed from Latin dēmonstrātiōn-, dēmonstrātiō "action of pointing out, description, explanation" (Late Latin, "deduction, proof"), from dēmonstrāre "to indicate, describe, show" + -tiōn-, -tiō, suffix of verbal action — more at demonstrate

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Time Traveler for demonstration

Time Traveler

The first known use of demonstration was in the 14th century

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Statistics for demonstration

Last Updated

5 May 2021

Cite this Entry

“Demonstration.” Dictionary, Merriam-Webster, Accessed 13 May. 2021.

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More Definitions for demonstration



English Language Learners Definition of demonstration

: an act of showing someone how something is used or done
: an event in which people gather together in order to show that they support or oppose something or someone
: an act of showing or proving something


dem·​on·​stra·​tion | \ ˌde-mən-ˈstrā-shən How to pronounce demonstration (audio) \

Kids Definition of demonstration

1 : an outward expression (as a show of feelings) a demonstration of affection
2 : an act or a means of showing a cooking demonstration
3 : a showing or using of an article for sale to display its good points
4 : a parade or a gathering to show public feeling


dem·​on·​stra·​tion | \ ˌdem-ən-ˈstrā-shən How to pronounce demonstration (audio) \

Medical Definition of demonstration

: an act, process, or means of demonstrating to the intelligence especially : a proof by experiment a demonstration of the neutralization of an acid by a base

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