demonstrator

noun

dem·​on·​stra·​tor ˈde-mən-ˌstrā-tər 

: 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

For Falconetti, Brunner and other pro-Palestinian demonstrators, being against Zionism — the movement by Jewish people to regain and preserve their historic homeland in what is now Israel — is not the same as being against Judaism. —Katie Langford, The Denver Post, 9 June 2024

Related Articles Bay Area victims advocate groups rally to push for state funding Police arrest 80 at Israel-Hamas war protest at UC Santa Cruz, school says Pro-Palestinian demonstrators disrupt Chevron shareholder meeting Netanyahu frequently makes claims of antisemitism. —Paul Rogers, The Mercury News, 31 May 2024

For the Sustainable Flight Demonstrator project, NASA and Boeing are working to develop a full-scale demonstrator aircraft called the X-66A, CNN said. —Devika Rao, theweek, 31 May 2024

On Monday night, pro-Palestinian demonstrators lit smoke canisters and flares outside The Nova Music Festival Exhibition in Lower Manhattan, which pays tribute to the victims of the terror attack. —Lisa Rozner, CBS News, 11 June 2024

Word History

Etymology

demonstrate + -or entry 1

First Known Use

1611, in the meaning defined above

Phrases Containing demonstrator

• counter-demonstrator

Kids Definition

demonstrator

noun

dem·​on·​stra·​tor ˈdem-ən-ˌstrāt-ər 

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 

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