- Definitions|2
- Thesaurus|751
- Abbreviations|0
| anarchist | |
| progressive | |
| rebel(noun, adjective, radical, eccentric, progressive) | |
| severe | |
| activist(noun, radical, fanatic, freak, revolutionary) | |
| bigoted(adjective, enthusiastic, ill, sick, fervent) | |
| crusader(noun, radical, zealot, fundamentalist) | |
| diehard(noun, adjective, person, conservative, fanatic) | |
| dogmatist(noun, supporter, radical, fanatic, partisan) | |
| fiend(noun, radical, fanatic, intolerant, freak) | |
| insurgent | |
| insurrectionary | |
| insurrectionist | |
| irrational(adjective, enthusiastic, ill, sick, fervent) | |
| left-wing | |
| maniac(noun, radical, fanatic, intolerant, freak) | |
| meliorist | |
| mutineer | |
| nut(noun, radical, fanatic, freak, visionary) | |
| pinko |
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| APA | Smart Define. (2015). extremist thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/extremist/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "extremist thesaurus" https://smartdefine.org/extremist/thesaurus/synonyms (accessed September 23, 2026). |
| Harvard | Smart Define 2015, extremist thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/extremist/thesaurus/synonyms>. |
| MLA | Smart Define. "extremist thesaurus" 13 April 2015. Web. 23 September 2026. <https://smartdefine.org/extremist/thesaurus/synonyms> |