English Reference

Word

extremist

Phoneticsex·trem·ist, stress on the second syllable

US/ɛkˈstɹimɪst/

UK/ɛkstɹˈiːmɪst/

Definitions

01a person with radical views

C1 · Advanced Countable noun Academic · Formal

n. someone who holds very strong and often dangerous political or religious views.

n. a person who advocates for radical or fanatical measures, often rejecting democratic or moderate processes.

“The government is worried about how extremists use the internet to spread their ideas.”

“Political analysts warned that the rise of extremists on both ends of the spectrum could destabilize the fragile coalition government.”

Usage

Often used with 'religious' or 'political' as a modifier.

Synonyms

Antonyms

02holding extreme views

C1 · Advanced Academic · Formal

adj. describing a person or group that has very radical or fanatical opinions.

adj. characterized by or relating to extremism; holding views that are far outside the mainstream.

“The group was banned for its extremist views on social media.”

“The candidate struggled to distance himself from the extremist rhetoric that had defined his early career in local politics.”

Synonyms

Collocations

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

Verb

01. crack down on extremists

“The government has vowed to crack down on extremists who incite violence against minority groups.”

verb + prep + noun

02. deradicalize the extremist

“Psychologists are working on new programs to deradicalize the extremists before they re-enter society.”

verb + noun

03. radicalize an extremist

“The investigation revealed how the group worked to radicalize extremists through encrypted messaging apps.”

verb + noun

Adjective

04. religious extremist

“The documentary explores how religious extremists use social media to recruit vulnerable young people.”

adj + noun

05. right-wing extremist

“The intelligence agency is monitoring several right-wing extremists who have been spreading hate speech online.”

adj + noun

Noun

06. extremist group

“Several extremist groups have claimed responsibility for the recent cyberattacks on the national grid.”

noun + noun

07. influx of extremists

“Border security was tightened following reports of a sudden influx of extremists into the region.”

noun + of + noun

Real-World Examples

“Essentially, the US (and their allies, including Britain) abandoned the country to the Taliban extremists.”
The Guardian 17 Aug 2026
“Our new national survey shows why it's so effective, and why it's more dangerous than any single extremist ideology, precisely because it doesn't lead just one way.”
Phys.org 17 Aug 2026

Etymology

From extreme + -ist.

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

Domain

Politics

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
Frequent
Level
C1 · AdvancedOxford
Updated

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English Reference