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 demonstrational (audio) , -​shə-​nᵊl \ adjective

Synonyms for demonstration


demo [British], rally

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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

Security lockdowns, general strikes and civilian street demonstrations against Indian control are routine. Emily Schmall, USA TODAY, "Indian troops lock down its only Muslim-majority state, Pakistan warns of war," 9 Aug. 2019 Residents of Srinagar, Kashmir’s biggest city, said that at least three men had been killed during demonstrations there, but their report could not be immediately confirmed. Jeffrey Gettleman And,, "As Modi addresses India, protests flare in Kashmir," 8 Aug. 2019 Where: 5101 Montrose Details: Lavender & Wine Fest Events feature local artisans, lavender cuisine, plants for sale, wine tasting, live music and demonstrations. Houston Chronicle, "The Go List: Chingo Bling, Lebowski Bash," 8 Aug. 2019 The advisory warned those visiting Hong Kong to avoid demonstrations, keep a low profile and exercise caution if unexpectedly in the vicinity of large gatherings or protests. Julia Hollingsworth, CNN, "United States becomes latest country to issue travel advisory over Hong Kong protests," 8 Aug. 2019 More than half a million Indian soldiers are stationed in Kashmir to counter a rebellion that seeks to secede from India, and there are near-daily demonstrations against Indian control. Washington Post, "Redrawn map may set off more change in Indian-ruled Kashmir," 7 Aug. 2019 At the time of that demonstration, many male members of Parliament could be seen laughing. Carlos Mureithi, New York Times, "Lawmaker Kicked Out of Kenyan Parliament for Taking Baby to Work," 7 Aug. 2019 Cider Riot had hosted a May Day celebration, drawing people who participated in demonstrations earlier in the day and had gathered to listen to live music., "Grand jury indicts two men in May Day attack of woman outside Cider Riot bar," 7 Aug. 2019 Losing Gerst may hurt SpaceX has already flown an uncrewed demonstration mission of its Dragon spacecraft. Eric Berger, Ars Technica, "With Gerstenmaier gone, decision to fly NASA astronauts may be more contentious," 6 Aug. 2019

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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Statistics for demonstration

Last Updated

11 Aug 2019

Look-up Popularity

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 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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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).


not constant or steady

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