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Synonyms of radical in English:


  • 1 radical reform is long overdue
    thoroughgoing, thorough, complete, total, entire, absolute, utter, comprehensive, exhaustive, root-and-branch, sweeping, far-reaching, wide-ranging, extensive, profound, drastic, severe, serious, major, desperate, stringent, violent, forceful, rigorous, draconian
    [Antonyms] superficial
  • 2 the apparently radical differences between logic and natural language
    [Antonyms] minor
  • 3 a radical political movement
    revolutionary, progressive, reforming, reformist, revisionist, progressivist;
    extreme, extremist, fanatical, militant, diehard
    informal red
    British informal swivel-eyed
    derogatory Bolshevik
    [Antonyms] conservative, reactionary, moderate
  • noun

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  • he was by no means a radical
    revolutionary, progressive, reformer, revisionist;
    informal ultra, red
    derogatory Bolshevik, Bolshevist
    [Antonyms] conservative, reactionary, moderate
  • Definition of radical in:
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