Scrabble Dictionary

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Radical

ˈradɪkl

Radical definitions
adjective
radical
  1. (especially of change or action) relating to or affecting the fundamental nature of something; far-reaching or thorough

    "a radical overhaul of the existing regulatory framework"

    • forming an inherent or fundamental part of the nature of someone or something

      "the assumption of radical differences between the mental attributes of literate and non-literate peoples"

    • (of surgery or medical treatment) thorough and intended to be completely curative
  2. advocating or based on thorough or complete political or social change; representing or supporting an extreme or progressive section of a political party

    "a radical activist"

    • belonging to an extreme section of the Liberal party during the 19th century
    • characterized by independence of or departure from tradition; innovative or unorthodox

      "the daring, avant-garde spirit of the music was too radical for the conservative audience"

  3. denoting or relating to the roots of a word
    • belonging to the root of a chord
  4. relating to or forming the root of a number or quantity
  5. of, or springing direct from, the root or stem base of a plant
  6. very good; excellent

    "Okay, then. Seven o'clock. Radical!"

noun
radical radicals
  1. a person who advocates thorough or complete political or social change, or a member of a political party or section of a party pursuing such aims
  2. a group of atoms behaving as a unit in a number of compounds
  3. the root or base form of a word
    • any of the basic set of approximately 214 Chinese characters constituting semantically or functionally significant elements in the composition of other characters and used as a means of classifying characters in dictionaries
  4. a quantity forming or expressed as the root of another
    • a radical sign