Synonyms of radical

1 Syllable

rad, fresh

2 Syllables

widest, sweeping, fresher, marcher, profound, basic, frondeur, mad-dog, outspread, ultraist, left-wing, radder, bottom, bottoms, primal, rooter, swingers, central, leftism, zealot, hecklers, beatnik, freshest, hothead, rabid, centric, heckler, wider, smoking, drastic, sceptic, worder, anarch, marchers, scopic, basal, ruiner, grass-roots, grassroots, vital, far-out, axial, raddest

3 Syllables

advanced, inherent, mutinous, centroidal, tolerant, reformist, lowermost, disrupters, underlying, liberals, groundbreaking, mutineers, whole-hog, thorough-going, stupendous, far-ranging, revolter, protesters, innate, crusaders, dogmatist, platonist, rebellious, terrorist, overdrawn, protester, primordial, overboard, maverick, cardinal, trailblazing, idealist, campaigner, nihilist, native, broadminded, liberal, organic, fanatic, essential, extremist, primary, intrinsic, campaigners, seditious, crusader, inciter, disrupter, deep-seated, thoroughgoing, broad-minded, mutineer, natural, boycotter, nethermost, undermost, speeded-up, provoker, fomenter

4 Syllables

foundational, demonstrators, idealistic, demagogue, corybantic, nonconforming, original, agitators, visionary, misbeliever, fanatical, innovating, embracive, progressivism, humanistic, avant-garde, intensive, progressive, exhaustive, primitive, iconoclast, agitator, libertarian, unbigoted, demonstrator, undogmatic, fundamental, renegade, substrative, ultamodern, recalcitrant

5 Syllables

meat-and-potatoes, revolutionist, transcendentalist, constitutional, progressiveness, liberalistic, iconoclastic, axiological, untraditional

6 Syllables

latitudinarian, revolutionary