dem·​on·​stra·​tion | \ˌde-mən-ˈstrā-shən \

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 \ -​shnəl , -​shə-​nᵊl \ adjective

Synonyms for demonstration


display, exhibition, flaunting, show

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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

None of the demonstration iPad Pros at the company’s retail stores have third-party apps loaded onto them. Chris Welch, The Verge, "Netflix updated its app to resolve an early annoyance with Apple’s new iPad Pro," 12 Nov. 2018 The Future Is Now Although KickSat-2 is meant to be a technology demonstration project, Manchester is eager to start doing actual science, too. Steve Nadis, Discover Magazine, "The Tiny Satellites That Might Fly to Another Solar System," 18 Oct. 2018 Per People, the duo got to wind down a bit from their go-go-go schedule thanks to a more casual reception in the building, which included a student science demonstration to encourage careers in the STEM field. D. Elizabeth, Glamour, "Prince Harry Playfully Laughing at Meghan Markle Is All You Need to See Today," 18 Oct. 2018 Teen Vogue spoke with writer Bill Roberts, who lived in Chicago during 1968 and was present during several demonstrations outside of the DNC where thousands rallied together. Danielle Corcione, Teen Vogue, "How the Democratic National Convention Has Been Protested Against in the Last 50 Years," 28 Aug. 2018 Other smaller demonstrations were also planned, including outside the president’s golf courses., "Trump back in Scotland ahead of Putin talks," 14 July 2018 Forest Park K-9 and local police and fire departments will give demonstrations. Jennie Key,, "City wins appeal in public records lawsuit," 12 July 2018 The balloon is just one part of demonstrations that are expected to attract thousands of people. Jen Kirby, Vox, "A giant “Trump Baby” balloon will greet Trump in London next week," 6 July 2018 Yet the latest epic from Marvel Comics is a lucid demonstration of nonquantum entanglement. Joe Morgenstern, WSJ, "‘Ant-Man and the Wasp’ Review: A Sequel With Wings," 5 July 2018

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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Last Updated

17 Nov 2018

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Time Traveler for demonstration

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

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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 \

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 \

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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Comments on demonstration

What made you want to look up demonstration? Please tell us where you read or heard it (including the quote, if possible).


a private place of worship

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