demonstrator

[ dem-uhn-strey-ter ]

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.

demonstrator

/ 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

Other Words From

• counter·demon·strator noun

Word History and Origins

Origin of demonstrator¹

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

Example Sentences

These protests have been unusual in that they have drawn demonstrators of all ages to the streets.

From Time

Thousands of demonstrators had gathered in Chicago, where violent confrontations with police and the National Guard ensued.

From Washington Post

After Navalny’s arrest pushed thousands of people to protest in more than 100 cities across Russia on Saturday, demonstrators waved toilet brushes in the air.

From Time

Meanwhile, in a chilly rain on Monday afternoon, the circle around the Lee statue was empty of the usual clusters of demonstrators.

From Washington Post

She explained that she didn’t want to take her team into an environment where the National Guard was deployed and thousands of demonstrators were coming into the area, staying at hotels and eating at restaurants.

From Washington Post

Yusuf Yerkel, an advisor to Erdogan, was caught on camera as he kicked a demonstrator in Soma.

From The Daily Beast

While I was in the arena, a demonstrator who'd been shot in the shoulder lay on his side for about an hour on the arena floor.

From The Daily Beast

One demonstrator gave a dark prediction about what might lie ahead: “Blood.”

From The Daily Beast

Occasionally they captured a demonstrator and dragged him back into their ranks.

From The Daily Beast

In one incident near the city of Nablus, Israeli soldiers opened fire and killed a demonstrator, according to Israeli media.

From The Daily Beast

The demonstrator of anatomy urged him on; he finally was induced to dissect part of the infant.

From Project Gutenberg

In those two words Hannah announced eloquently her utter condemnation of the demonstrator of the Wizard.

From Project Gutenberg

Ali rocked backward and forward, and would have fallen but for the supporting arm of the demonstrator.

From Project Gutenberg

Professor Spinnewyn was the principal demonstrator, with his pupil, the late Willy Sulzbacher.

From Project Gutenberg

D'Annunzio has as yet no more pity than the demonstrator in a physiological amphitheatre.

From Project Gutenberg

Related Words

• marcher
• radical
• rioter
• striker