Synset
a person who has radical ideas or opinions
<noun.person>
freq. cnt.: 1
freq. cnt.: 1
semantic pointers
hypernym
hyponym
anarchist, nihilist, syndicalist
red, Bolshevik, Marxist, bolshie, bolshy
extremist
leveler, leveller
revolutionist, revolutionary, subversive, subverter
terrorist
Trotskyite, Trotskyist, Trot
Wobbly
young Turk