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.

"These individuals risked their lives to infiltrate and inform on the activities of our nation's most radical and violent extremist groups," he said.

From BBC • Apr. 22, 2026

“They’re concerned the Middle East tensions could lead to more extremist cell activity in Western countries,” Bannister said.

From The Wall Street Journal • Mar. 31, 2026

"This partnership has improved intelligence sharing, operational coordination, and the overall effectiveness of Nigerian-led efforts against violent extremist organizations."

From Barron's • Mar. 21, 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

According to Laplace “the decrease of the mean heat of the earth during a period of 2000 years has not, taking the extremist limits, diminished as much as 1⁄300th of a degree Fahrenheit.”

From Astronomical Curiosities Facts and Fallacies by Gore, J. Ellard




Vocabulary lists containing extremist