English Reference
noun · verb · adjective

master

n. · v. · adj.
US /ˈmæstɝ/ UK /mˈɑːstɐ/ mas·ter UK spelling master's, master's, mastered

  1. 01 B2 Upper Intermediate

    n.someone who is extremely skilled at a particular activity or art.

    n.a person who has acquired complete proficiency or superior skill in a specific craft, art, or science.

    Simple

    He is a master of the piano and has played in concert halls all over the world.

    In context

    The exhibition features works by the old masters, demonstrating the evolution of oil painting techniques over four centuries.

  2. 02 B2 Upper Intermediate

    n.a university degree that you study for after you have finished your first degree.

    n.a postgraduate academic degree awarded by universities upon completion of a course of study demonstrating mastery of a specific field.

    Simple

    She decided to do a master in international law to improve her career prospects.

    In context

    After completing her bachelor's in biology, she pursued a master in genetics to specialise in hereditary diseases.

    MAmscpostgraduate degree
  3. 03 C1 Advanced Technical Music

    n.the original version of a recording or document from which copies are made.

    n.the original version of a film, sound recording, or document used as a template for duplication.

    Simple

    The studio kept the master tapes in a fireproof room to protect the original recordings.

    In context

    The artist fought a long legal battle to regain control over her masters from the record label.

  4. 04 C1 Advanced FormalTechnical Nautical

    n.the captain of a commercial ship.

    n.the commander of a merchant vessel; a master mariner.

    Simple

    The master of the ship was responsible for the safety of all the cargo.

    In context

    The port authority requested a meeting with the ship's master to discuss the safety violations observed during docking.

  5. 05 B2 Upper Intermediate

    v.to learn a skill or language so well that you have no difficulty with it.

    v.to acquire complete knowledge of or proficiency in a subject, technique, or art.

    Simple

    It takes years of practice to truly master a foreign language.

    In context

    She managed to master the complex software within a few weeks, much to the surprise of her colleagues.

  6. 06 B2 Upper Intermediate Technical Engineering

    adj.the most important or main version of something that controls others.

    adj.denoting a primary mechanism or original version that controls or serves as a reference for others.

    Simple

    The master bedroom is the largest room in the house.

    In context

    The technician checked the master switch to ensure the entire electrical system was safely deactivated before repairs began.

Four of the most important works of art by the 15th-century Renaissance master Antonello da Messina were stolen during a national holiday from a museum in the Sicilian port city of Messina.

The Guardian· 16 Aug 2026

Antonello da Messina was a 15th Century painter born and raised on Sicily, who would go on to become one of the early Renaissance period's master painters.

BBC News· 16 Aug 2026
This entry
Level B2 · Upper Intermediate
Frequency Very common
Updated