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

During the first rally, demonstrators repeatedly interrupted his speech, stomped on police patrol cars outside and shattered windows with rocks, causing tens of thousands of dollars in damage. —Russell Contreras, Axios, 31 Oct. 2024

The Hungarian leader's remarks came while protests erupted outside Georgia's Parliament on Monday night, with demonstrators demanding a new vote supervised by international observers. —Nina Turner, Newsweek, 29 Oct. 2024

Also among the crowd at Window Rock were backers of former President Donald Trump and demonstrators protesting U.S. involvement and support for Israel amid ongoing bombings in the Palestinian territories. —Arlyssa D. Becenti, The Arizona Republic, 26 Oct. 2024

During the protests last spring, some faculty members joined ranks with demonstrators. —Annie Ma, The Christian Science Monitor, 22 Oct. 2024

Word History

Etymology

demonstrate + -or entry 1

First Known Use

1593, 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)