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

Outside the courthouse, small groups of pro- and anti-Netanyahu demonstrators are chanting from opposite sides of a police barrier. —NBC News, 10 Dec. 2024

Some 700 miles to the north, the shouts of protesters and pops from their fireworks can be heard in the streets of Tbilisi, Georgia, where demonstrators continue their weeks-long call for an end to the pro-Russian ruling party in parliament and entry into the European Union. —Jeffrey Sonnenfeld, TIME, 10 Dec. 2024

On November 25, during the International Day for the Elimination of Violence Against Women, police deployed teargas to disperse a small group of demonstrators who gathered despite harsh weather conditions. —Joseph Epstein, Newsweek, 10 Dec. 2024

At some campuses, administrators got tough with the protesters, cleared out the sprawling encampments and disciplined or even arrested the student demonstrators who occupied and fortified them. —Michael T. Nietzel, Forbes, 8 Dec. 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)