demonstrator

noun
dem·​on·​stra·​tor | \ ˈde-mən-ˌstrā-tər How to pronounce demonstrator (audio) \

Definition of demonstrator

: one that demonstrates:
a : a product (such as an automobile) used to demonstrate performance or merits to prospective buyers
b : a person who engages in a public demonstration

Examples of demonstrator in a Sentence

Thousands of demonstrators marched through the streets.

Recent Examples on the Web

The country has seen the largest protests since 2017, when 120 people died in clashes with national guardsmen and pro-government civilians who fired on the masked demonstrators in middle-class neighborhoods. Fabiola Sanchez, The Seattle Times, "Deadly crackdown stokes fear among protesters in Venezuela," 20 Feb. 2019 Pro-democracy demonstrators in Cairo’s Tahrir Square on Feb. 10, 2011—the day President Hosni Mubarak resigned after 29 years in power and 18 days of protest. Jared Malsin, WSJ, "Eight Years After Egypt’s Uprising, a New Autocrat Is Determined Not to Permit a Sequel," 25 Jan. 2019 Monday was the seventh demonstration on the Capitol steps by the anti-poverty demonstrators this spring, and the fourth time they were barred by a heavy state police presence from entering the Capitol as a group. Tom Loftus, The Courier-Journal, "Gov. Bevin replied with cordial voicemail to anti-poverty activist," 18 June 2018 The black smoke seen in the photographs comes from burning tires lit by the Palestinian demonstrators. Anne Branigin, The Root, "While Trump Congratulates Israel and Plugs Fox News, Here’s What’s Happening in Gaza," 14 May 2018 On Tuesday, hundreds of demonstrators stopped buses carrying devotees to two of the temple’s base camps and asked females to show documents to prove their age. Ashok Sharma, The Seattle Times, "Indian temple set to allow entry to females who menstruate," 17 Oct. 2018 Earlier in the day, hundreds of demonstrators marched to San Diego's Otay Mesa Detention Center to protest the Trump administration's immigration policies. Fox News, "Gunman dead after 2 cops shot in San Diego standoff; 1 officer reported clinging to life," 2 Oct. 2018 There was no sight or sound of the thousands of people rallying against President Trump in central London during his wife’s visit, which her staff managed to largely keep secret to avoid the ire of demonstrators. Sylvia Hui, BostonGlobe.com, "Melania Trump dutifully tries her hand at lawn bowling," 13 July 2018 There was no sight or sound of the thousands of people rallying against President Trump in central London during his wife’s visit, which her staff managed to largely keep secret to avoid the ire of demonstrators. Washington Post, "Melania Trump dutifully tries her hand at lawn bowls," 13 July 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'demonstrator.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

See More

First Known Use of demonstrator

1611, in the meaning defined above

History and Etymology for demonstrator

demonstrate + -or entry 1

Keep scrolling for more

Learn More about demonstrator

Share demonstrator

Statistics for demonstrator

Last Updated

13 Mar 2019

Look-up Popularity

Time Traveler for demonstrator

The first known use of demonstrator was in 1611

See more words from the same year

Keep scrolling for more

More Definitions for demonstrator

demonstrator

noun

English Language Learners Definition of demonstrator

: a person who is part of an event in which people gather together in order to show that they support or oppose something or someone : a person who participates in a demonstration
: a person who shows other people how something is used or done

demonstrator

noun
dem·​on·​stra·​tor | \ ˈde-mən-ˌstrā-tər How to pronounce demonstrator (audio) \

Kids Definition of demonstrator

1 : a person who makes or takes part in a demonstration
2 : a manufactured article (as an automobile) used for demonstration

demonstrator

noun
dem·​on·​stra·​tor | \ ˈdem-ən-ˌstrāt-ər How to pronounce demonstrator (audio) \

Medical Definition of demonstrator

: a teacher or teacher's assistant who demonstrates principles or theories studied (as by dissection, experiment, or chemical preparation)

Keep scrolling for more

More from Merriam-Webster on demonstrator

Rhyming Dictionary: Words that rhyme with demonstrator

Spanish Central: Translation of demonstrator

Nglish: Translation of demonstrator for Spanish Speakers

Britannica English: Translation of demonstrator for Arabic Speakers

Comments on demonstrator

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

WORD OF THE DAY

grandiloquent, ostentatious, or bombastic

Get Word of the Day daily email!

Test Your Vocabulary

Original Meanings Quiz

  • rembrandt-painting-a-young-scholar-and-his-tutor
  • Which of the following is the earliest known sense of the word awe?
Spell It

Can you spell these 10 commonly misspelled words?

TAKE THE QUIZ
SCRABBLE® Sprint

Test Your Knowledge - and learn some interesting things along the way.

TAKE THE QUIZ

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!