radical

profound

basal bottom cardinal constitutional essential native natural organic original primary primitive

deep-seated foundational inherent innate intrinsic meat-and-potatoes primal thoroughgoing underlying vital

inessential minor secondary unimportant

extrinsic nonessential superficial

extremist fanatical far-out leftist militant progressive revolutionary sweeping uncompromising violent

entire freethinking insurgent recusant refractory

advanced anarchistic complete excessive iconoclastic immoderate insubordinate insurrectionary intransigent lawless mutinous nihilistic rabid rebellious recalcitrant restive riotous seditious severe thorough ultra ultraist way-out

moderate

conservative superficial

agitator anarchist extremist fanatic firebrand insurgent leftist militant progressive rebel reformer renegade revolutionary rioter subversive

avant-garde freethinker iconoclast insurrectionist left-winger mutineer nihilist nonconformist objector pacifist secessionist

revolter ultraist

conservative moderate