Thesaurus.com
Dictionary.com
Definitions

extremist

[ik-stree-mist] / ɪkˈstri mɪst /
NOUN
person zealous about a belief
Synonyms
Antonyms
STRONGEST


Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Heifler, who is a US citizen, has been described by police as an "extremist with no criminal record with the New York Police Department", CBS News, the BBC's US partner, reported.

From BBC • Mar. 27, 2026

They had no apparent links to international terrorist networks — until Malik pledged allegiance to the leader of the extremist group Islamic State on Facebook shortly before the attack.

From Los Angeles Times • Mar. 10, 2026

The film traces how suspicion fell in particular on several members of the Jewish Defense League, a group founded by extremist rabbi Meir Kahane before his own assassination in 1990.

From Barron's • Feb. 21, 2026

That vacuum is where other extremist groups thrive.

From The Wall Street Journal • Feb. 19, 2026

Henri Lerouge was half anarchist, socialist, and an extremist generally, of whom French politics presents a formidable contingent.

From Mlle. Fouchette A Novel of French Life by Murray, Charles Theodore