demonstrator

noun

dem·​on·​stra·​tor ˈde-mən-ˌstrā-tər How to pronounce demonstrator (audio)
: 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
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
The 39-year-old uniformed officer was monitoring the protest at Union Square Park at 8:15 p.m. Thursday when a masked demonstrator approached and shoved the metal barrier into the cop’s face. Kerry Burke, New York Daily News, 16 May 2025 There’s a big contrast between the demonstrators who were sentenced immediately on the spot the day after the arrest; they were often sentenced to several months in prison. Anthony D'alessandro, Deadline, 16 May 2025 This year in Basel, demonstrators were highly visible at the opening ceremony of the contest, with large Palestinian flags being waved in the crowd. Andrew Jones, NBC news, 15 May 2025 She’s already encountered some of that resistance when demonstrators shouted at her and flew Palestinian flags during Sunday’s turquoise carpet event in Basel, Switzerland, where this year’s edition is being held. Gil Kaufman, Billboard, 13 May 2025 See All Example Sentences for demonstrator

Word History

Etymology

demonstrate + -or entry 1

First Known Use

1593, in the meaning defined above

Time Traveler
The first known use of demonstrator was in 1593

Browse Nearby Words

Cite this Entry

“Demonstrator.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/demonstrator. Accessed 20 May. 2025.

Kids Definition

demonstrator

noun
dem·​on·​stra·​tor ˈdem-ən-ˌstrāt-ər How to pronounce demonstrator (audio)
1
: a person who makes or takes part in a demonstration
2
: a manufactured article (as an automobile) used for purposes of demonstration

Medical Definition

demonstrator

noun
dem·​on·​stra·​tor ˈdem-ən-ˌstrāt-ər How to pronounce demonstrator (audio)
: a teacher or teacher's assistant who demonstrates principles or theories studied (as by dissection, experiment, or chemical preparation)

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