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

At Wine & Food Blais will do a cooking demonstration and sign cookbooks for select ticketholders. Nancy Stohs, Milwaukee Journal Sentinel, "Richard Blais leads celebrity chef parade at Wine & Food Experience," 11 July 2018 The area that once was the Alamo’s main courtyard became a gathering place for cattle drives, markets and demonstrations and now is a bustling, noisy urban square. Scott Huddleston, San Antonio Express-News, "Officials try to avoid battle over Alamo plan," 8 July 2018 Second Sunday on Main This popular street fair features craft and food vendors, live entertainment, demonstrations and a whole lot more. Luann Gibbs,, "Top 5 events in Cincinnati this weekend," 6 July 2018 This celebration of the region's rich culinary scene will feature wine and food tastings from top local restaurants, a wine seminar, cooking demonstrations and more. Susan Selasky, Detroit Free Press, "Tickets on sale now: Wine & Food Experience returns to Campus Martius on Sept. 15," 2 July 2018 The event, scheduled 1 to 7 p.m., will feature children’s activities, water safety demonstrations and free canoe rides. Sheryl Devore, Lake County News-Sun, "DNR hosts free events for public to explore Lake Michigan Water Trail," 1 July 2018 The cooks will offer demonstrations and bake lavash flatbread. Max Kutner, Smithsonian, "These Soulful, Soothing Armenian Song and Instrumentals Blend East with West," 28 June 2018 The approach of the first midterm vote since Mr. Trump’s victory has produced harsh rhetoric, an array of demonstrations and protests, and political turmoil in both parties. Joshua Jamerson, WSJ, "Justice Anthony Kennedy’s Exit Sets the Stage for a Fierce Battle Over His Successor," 28 June 2018 Other events include go-kart competitions, movie science demonstrations and a veggie derby with vehicles made from real vegetables. Mark Davis, kansascity, "Fire, hammers and robots: Maker Faire Kansas City takes over Union Station," 23 June 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

6 Oct 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

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not any or not one

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