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Formerly practicioner for *practicianer, from practician + -er (the suffix unnecessarily added, as in musicianer).


  • (UK) IPA(key): /pɹækˈtɪʃənə/
  • (US) IPA(key): /pɹækˈtɪʃənəɹ/
  • (file)


practitioner (plural practitioners)

  1. A person who practices a profession or art, especially law or medicine.
    • 2014 June 21, “Magician’s brain”, in The Economist, volume 411, number 8892:
      The [Isaac] Newton that emerges from the [unpublished] manuscripts is far from the popular image of a rational practitioner of cold and pure reason. The architect of modern science was himself not very modern. He was obsessed with alchemy.
  2. One who does anything customarily or habitually.
    • 2023 March 5, “Four Hubei Residents Arrested for Raising Awareness about the Persecution of Falun Gong”, in Falun Dafa Information Center[1], archived from the original on 14 March 2023, Persecution in China‎[2]:
      On January 31, 2023, four Falun Gong practitioners in Songbu Town, Macheng City, Hubei Province were arrested. Two of the arrested are still detained as of February 25, 2023.
  3. (dated) A sly or artful person.
    • c. 1572, John Whitgift, Admonition to the Parliament:
      [] the men of St. John's were cunning practitioners, in shaking off their Masters and Heads.

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