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practitioner

American  
[prak-tish-uh-ner] / prækˈtɪʃ ə nər /

noun

  1. a person engaged in the practice of a profession, occupation, etc..

    a medical practitioner.

  2. a person who practices something specified.

  3. Christian Science. a person authorized to practice healing.


practitioner British  
/ prækˈtɪʃənə /

noun

  1. a person who practises a profession or art

  2. Christian Science a person authorized to practise spiritual healing

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of practitioner

1535–45; alteration of practician ( practic + -ian ) + -er 1

Explanation

A practitioner is an expert who uses that knowledge as part of a profession. Every yoga practitioner started by attending an introductory class. In practitioner, you can see the word practice, which everyone says will make you perfect. Practice can also mean the clients, daily activities, and location where a professional such as a doctor works. So a practitioner is someone who has learned everything about his or her field and is actively working in that field. So don't worry about going to the doctor — you won't be practice for this practitioner.

Keep Reading on Vocabulary.com

Vocabulary lists containing practitioner

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

She is a Menopause Society certified practitioner, the author of “Grown Woman Talk: Your Guide to Getting and Staying Healthy,” and the host of the podcast, The Second Opinion with Dr. Sharon.

From MarketWatch • May 12, 2026

The inquiry also heard evidence from crisis care practitioner nurse and, from February 2022, team leader Josephine Baker, who visited Calocane on 23 June 2020, between his two spells at Highbury Hospital that year.

From BBC • May 7, 2026

The company is also increasingly using an advanced practitioner model, which involves nurse practitioners and physician assistants managing more complex patient care into areas like oncology, neurology, and rare diseases, which have more favorable economics.

From Barron's • May 1, 2026

Her writing is never less than clear, sustained by a lifelong commitment to the piano as a practitioner and teacher.

From The Wall Street Journal • Apr. 29, 2026

But a skilled practitioner can use it to tell how meaningful a correlation is—and maybe even tell whether that correlation does indicate a causal relationship.

From "Freakonomics: A Rogue Economist Explores the Hidden Side of Everything" by Steven D. Levitt

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