extremist

1 of 2

noun

ex·​trem·​ist -ēmə̇st sometimes -em- How to pronounce extremist (audio)
plural -s
Synonyms of extremistnext
: an adherent or advocate of extremism
especially : radical

extremist

2 of 2

adjective

"
variants or less commonly extremistic
¦⸗(ˌ)⸗¦mistik
: of, relating to, or favoring extremism or extremists

Word History

Etymology

Noun

extreme entry 2 + -ist

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Cite this Entry

“Extremist.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/extremist. Accessed 14 Dec. 2025.

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