English Reference

Word

activist

Phoneticsac·tivist

US/ˈæktəvəst/

UK/ˈæktɪvˌɪst/

Definitions

01political/social campaigner

B2 · Upper Intermediate Countable noun

n. someone who takes action to help make a change in society or politics.

n. an individual who campaigns to bring about political or social change, often through public protest or organized advocacy.

“The environmental activist organized a protest to protect the local forest from builders.”

“Human rights activists have spent decades lobbying the government to reform the legal system and ensure fair treatment for all citizens.”

02taking direct action

C1 · Advanced Academic

adj. describing a person or group that takes strong action to reach a goal.

adj. characterised by or involving direct action or vigorous campaigning for a cause.

“The group took an activist approach to solving the city's housing problem.”

“The court's activist stance on environmental protection has led to several landmark rulings that challenge existing industrial regulations.”

Synonyms

Antonyms

03active professional

C2 · Proficiency Countable noun Formal

n. someone who is very active and energetic in their job or profession.

n. a person who is conspicuously active or energetic in the performance of their professional or occupational duties.

“As a judicial activist, the judge worked tirelessly to update old legal rules.”

“The new CEO was a corporate activist who immediately began restructuring the company's underperforming departments.”

Synonyms

go-getterdynamo

Collocations

Common phrases and expressions where native English speakers use the word “activist” in context.

Verb

01. detain an activist

“Authorities decided to detain the activist following the unauthorized protest.”

verb + noun

02. silence an activist

“The government attempted to silence the activist by restricting his access to social media.”

verb + noun

Adjective

03. grassroots activist

“The movement was driven by grassroots activists working at the local level.”

adj + noun

04. lifelong activist

“As a lifelong activist, she has spent over forty years fighting for labor rights.”

adj + noun

05. prominent activist

“Several prominent activists were invited to speak at the international climate summit.”

adj + noun

Noun

06. activist group

“The activist group organized a boycott of the company's products.”

noun + noun

07. rights activist

“The human rights activist campaigned tirelessly for the release of political prisoners.”

noun + noun

In Japanese

活動家

かつどうか katsudouka

activist

Japanese from JMdict (EDRDG), CC BY-SA 4.0. All sources.

Real-World Examples

“Aida Corovic, a human rights activist, has stood by the students since the beginning of their protests.”
Al Jazeera 14 Aug 2026
“An agent described activists discussing recruitment and “de-escalation” at protests, with speakers suggesting having a “police liaison” and “safety marshal” at events.”
The Guardian 13 Aug 2026
“Wildlife activists have also raised questions about how the animals originally entered India.”
BBC News 13 Aug 2026
“Her government was accused of misusing state institutions to entrench its hold on power and stamp out dissent, including through the killing of opposition activists.”
The Guardian 6 Aug 2026

Etymology

From active + -ist.

Etymology adapted from Wiktionary, available under CC BY-SA 4.0.

Word family

NOUN

activist(C1)

This entry

Exam level
CambridgeCambridgeCambridge English QualificationsThe exam suite from Cambridge University Press & Assessment, from A1 Movers up to C2 Proficiency. The benchmark names double as CEFR labels.C1 AdvancedIELTSIELTSInternational English Language Testing SystemThe 0–9 band test co-owned by the British Council, IDP, and Cambridge. Used for university entry, work, and migration.7.0–8.0TOEFL iBTTOEFL iBTTest of English as a Foreign Language, Internet-Based TestETS's academic English test, the standard route for US university admissions. Scored 0–120, with a 1–6 scale since 2026.1–6 scale: 5.0–5.595–113TOEICTOEICTest of English for International CommunicationETS's workplace English test, big in Japan and Korea. Listening & Reading scores 10–990 and tops out at C1.945–990
Frequency
Common
Level
C1 · AdvancedOxford
Updated

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