171 entries under noun topic. ×

28
revolutionary(adjective, person, concern, enthusiastic)
18
fanatic(adjective, person, concern, interest)
17
extremist(adjective, person, concern, belief)
16
insurgent(adjective, person, rebel, revolutionary)
15
revolutionist(person, concern, edge, politics)
15
ultra(adjective, adverb, person, concern)
14
root(adjective, cause, original, basic)
14
rebel(adjective, person, original, liberal)
13
nonconformist(adjective, person, independent, eccentric)
12
original(adjective, cause, important, new)
12
leftist(adjective, person, excessive, liberal)
12
base
12
progressive(adjective, person, open, moderate)
9
anarchist(person, rebel, partisan, reactionary)
9
immoderate(adjective, severe, harsh, violent)
9
liberal(adjective, open, moderate, spread)
9
militant(adjective, person, aggressive, thorough)
9
stem
9
subversive(adjective, person, revolutionary, secretive)
8
insurrectionist(adjective, person, rebel)
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APASmart Define. (2016). radical thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/radical/thesaurus/synonyms
ChicagoSmart Define. 2016. "radical thesaurus" https://smartdefine.org/radical/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2016, radical thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/radical/thesaurus/synonyms>.
MLASmart Define. "radical thesaurus" 29 March 2016. Web. 26 September 2026. <https://smartdefine.org/radical/thesaurus/synonyms>