activist

1 of 2

noun

ac·​tiv·​ist ˈak-ti-vist 

plural activists

: one who advocates or practices activism : a person who uses or supports strong actions (such as public protests) in support of or opposition to one side of a controversial issue

Antiwar activists were protesting in the streets.

an environmental activist

political activists

The conventional wisdom is that young people no longer care enough to stand up for what is important; that the days of activism and protest have faded into the past, the bailiwick of aging hippies and activists.

—The Easton (Massachusetts) Journal

activistic

ˌak-ti-ˈvi-stik 

adjective

What is news to me … is how much alike were the fears and concerns of both activistic Democrats and skeptical Republicans …

—Nathan Glazer

activist

2 of 2

adjective

: advocating or practicing activism : using or supporting strong actions in support of or opposition to one side of a controversial issue

For the activist groups that will carry the nomination fight to the public, the name of the game is hit early and often.

—Richard Lacayo

Pressing demands that are both global and granular, the activist investor has turned himself into one of the food sector's most influential players, affecting how millions of people eat each day.

—Julie Jargon

They plan to become activist shareholders who will protest global-warming resolutions and anything else that undermines corporate profitability.

—John J. Miller

Examples of activist in a Sentence

Recent Examples on the Web

Noun

The 33-year-old state assemblyman has ensnared a wide net of seasoned billionaires and enthusiastic young activists, presented as a regular New Yorker who lived in Africa as a child. —Alexandra Bregman, Forbes.com, 1 July 2025

An activist group called No Stage for Abusers also urged Brighton Centre and the city council to cancel the show through an online campaign. —Jessica Lynch, Billboard, 30 June 2025

Adjective

Despite the activist enthusiasm, Tripadvisor’s fundamentals paint a more serious picture. —Trefis Team, Forbes.com, 3 July 2025

Daniels, a leader of the activist group known as The Heights Movement, said the animosity some feel toward Evendale goes beyond the old incorporation fight. —Dan Horn, The Enquirer, 2 July 2025

Word History

First Known Use

Noun

1920, in the meaning defined above

Adjective

1917, in the meaning defined above

Kids Definition

activist

noun

ac·​tiv·​ist

ˈak-ti-vəst

: a person who believes in forceful action (as a mass demonstration) for political purposes

activism

-ˌviz-əm

noun