English Reference
noun

practitioner

n.
US /pɹækˈtɪʃənɝ/ UK /pɹæktˈɪʃənɐ/ prac·ti·tion·er UK spelling practitioner's, practitioner's

  1. 01 C1 Advanced FormalAcademic

    a person who works in a job that needs special skills and training, especially in medicine or law.

    an individual who actively exercises a profession, particularly in the medical or legal fields. Often used to distinguish those in active practice from those in research or academia.

    Simple

    You should consult a medical practitioner if the pain in your back continues.

    In context

    The conference brought together both academic researchers and legal practitioners to discuss the practical implications of the new legislation.

    Usage

    Often preceded by a qualifying adjective like 'medical', 'legal', or 'general'.

    laypersonamateurtheorist
  2. 02 C1 Advanced Formal

    someone who regularly does a specific activity or follows a particular religion or method.

    one who habitually performs a specific activity or adheres to the rites and practices of a religion or philosophy.

    Simple

    She has been a dedicated practitioner of yoga for over ten years.

    In context

    As a lifelong practitioner of non-violence, the leader refused to support any form of military intervention.

    Usage

    Usually followed by the preposition 'of'.

    followeradherentuser

Usage general practitioner

Osiecki had been studying the work of a renowned 17th-century Flemish artist, Clara Peeters, one of the earliest practitioners of still life painting.

The Guardian· 7 Aug 2026

This means treatment will more likely come from private practitioners, support groups or online self-help.

BBC News· 8 Aug 2026

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

Etymology adapted from Wiktionary, available under CC BY-SA 4.0.

This entry
Level C1 · Advanced
Frequency Frequent
Updated