- radical
- adj1. fundamental, rudimentary, constitutional, basic, basal, basilar, elementary, elemental, primary; main, principal, cardinal; vital, essential, necessary, requisite; supporting, substratal, substra-tive, underlying; uncompounded, simple, primitive.2. complete, total, entire, absolute, unmitigated, unqualified, whole, universal, definitive, unabridged, full, plenary, consummate, sheer, utter, perfect, positive, downright, out-and-out; comprehensive, exhaustive, thorough, thoroughgoing, sweeping, solid, all-inclusive, all-embracing; extreme, excessive, immoderate, inordinate, undue, exorbitant, unreasonable, extravagant, intemperate; drastic, severe, stringent, strict, intransigent, exacting; ultra, advanced, over-zealous, fanatical, rabid, hysterical, frantic, frenzied, frenetic, raving, possessed.3. revolutionary, rebellious, rebel, Jacobinic, Jacobinical, insurgent, insurrectionary, seditious, iconoclastic, underground, freethinking, avant-garde, nonconformist, anarchistic, nihilistic; leftist, leftwing, red, pink, Derog. pinko, Bolshivistic, Communistic, commie.4. innate, inherent, intrinsic, indigenous, ingenerate, immanent, indwelling, instinctive, inner, subsistent, deep-seated, ingrained, rooted, implanted, native, natural, organic; inherited, hereditary, inbred, inborn, congenital, connate.n5. extremist, fanatic, immoderate, ultra, ultra-ist, zealot, raver, radical reformer, sans-culotte, Politics. Jacobin; nihilist, anarchist; avant-gardist, freethinker; rebel, revolutionary, revolutionist, revolter, insurgent, mutineer, firebrand, rioter, iconoclast, fifth columnist, U.S. Politics. weatherman, yippie; leftist, leftwinger, leftwing extremist, Inf. Wobbly, Communist, Bolshevik, Red, commie, U.S. Sl. pink, U.S. Sl. Derog. pinko.
A Note on the Style of the synonym finder. 2014.