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

Katrina Shadix, a 58-year-old anti-bear-hunt activist in the Orlando area, found out through a public-records request that the FWC accessed her DAVID information 17 times between 2023 and 2025. — David Goodhue, Miami Herald, 25 July 2026

Far-right activist Laura Loomer went from criticizing Ukraine to meeting with Ukrainian President Volodymyr Zelenskyy, a rapid transformation that came as a pleasant surprise to Europe and Ukraine’s backers. — Morgan Chalfant, semafor.com, 24 July 2026

Adjective

While shorting is a common way for firms to hedge their bets, business leaders tend to loathe activist shorts — the folks who target a company by name, bet against it and trash-talk it in the financial press. — Allison Morrow, CNN Money, 23 July 2026

That's because Newkirk has struggled to win support from within the district, even from the left-wing activist groups who initially embraced his vision. — Phillip M. Bailey, USA Today, 22 July 2026

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