demonstrator

American  

[dem-uhn-strey-ter] / ˈdɛm ənˌstreɪ tər /

noun

1. a person or thing that demonstrates.

2. Also a person who takes part in a public demonstration, as by marching or picketing.

3. a person who explains orteaches by practical demonstrations.

4. a person who exhibits the use and application of (a product, service, etc.) to a prospective customer.

5. the product, device, machine, etc., actually used in demonstrations to purchasers or prospective customers.

   They sold the demonstrator at half price.

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demonstrator British  

/ ˈdɛmənˌstreɪtə /

noun

1. a person who demonstrates equipment, machines, products, etc

2. a person who takes part in a public demonstration

3. a piece of merchandise, such as a car that one test-drives, used to display merits or performance to prospective buyers

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Other Word Forms

• counterdemonstrator noun

Etymology

Origin of demonstrator

1605–15; < Latin dēmonstrātor, equivalent to dēmonstrā ( re ) ( demonstrate ) + -tor -tor

Example Sentences

The rules allowed demonstrators to gather but forbade them from marching.

From BBC

He also said demonstrators outside should instead "go protest in front of the Iranian embassy".

From Barron's

Josh Lees from rally organiser Palestine Action Group said the violence between police and demonstrators on Monday evening was the "worst" he has seen in recent years.

From BBC

And prosecutors are bringing more charges against demonstrators because assaults against officers are on the rise, they said.

From The Wall Street Journal

It was a founding member of the alliance that organised a vigil to mark Beijing's deadly crackdown on demonstrators in Tiananmen Square in 1989 -- but those events have been banned since 2020.

From Barron's

Related Words

• marcher
• radical
• rioter
• striker