a person engaged in the practice of a profession, occupation, etc.: a medical practitioner.
a person who practices something specified.
Christian Science. a person authorized to practice healing.

Origin of practitioner

1535–45; alteration of practician (practic + -ian) + -er1 Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Related Words for practitioner

professional, specialist, master, doctor, pro

Examples from the Web for practitioner

Contemporary Examples of practitioner

Historical Examples of practitioner

British Dictionary definitions for practitioner



a person who practises a profession or art
Christian Science a person authorized to practise spiritual healing

Word Origin for practitioner

C16: from practician, from Old French praticien, from pratiquer to practise
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

Word Origin and History for practitioner

1540s, a hybrid formed from practitian "practitioner" (c.1500, from French practicien, from Late Latin practicus "fit for action," see practice (v.)) on model of parishioner. Johnson has as a secondary sense "One who uses any sly or dangerous arts."

Online Etymology Dictionary, © 2010 Douglas Harper

practitioner in Medicine




One who practices medicine or an allied health profession.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.