master

/ˈmæstər/
adjective
  1. Having or showing great skill or expertise.
    • The carpenter used master techniques to build the cabinet.
    • He gave a master performance in the play last night.
    • She is a master chef known for her creative dishes.
  2. Being the main or most important one; primary.
    • The master bedroom is the largest room in the house.
    • We need to check the master plan before starting construction.
    • The master switch controls all the lights in the building.
verb
  1. To learn or gain control over a skill, subject, or activity completely.
    • He wants to master Spanish before moving to Mexico.
    • It took her years to master the art of playing the piano.
    • You can master any subject with enough practice and dedication.
  2. To gain control over a difficult situation or emotion.
    • She learned to master her fear of public speaking.
    • The team worked together to master the challenges of the project.
    • He struggled to master his anger during the argument.
Synonyms
noun
  1. A person who has control or authority over something or someone, such as a servant, animal, or situation.
    • She became the master of her own destiny after years of hard work.
    • The dog waited patiently for its master to return home.
    • In the old story, the master of the house welcomed all the guests.
  2. A person who is very skilled or expert in a particular subject or activity.
    • She studied under a master painter to improve her technique.
    • He is a master of the violin, performing concerts around the world.
    • The chef is a true master of Italian cuisine.
  3. A degree at the university level, higher than a bachelor's degree.
    • He is working on a master's thesis about climate change.
    • She earned her master's in engineering from a top university.
    • Many students pursue a master's to advance their careers.
  4. An original version of something, such as a recording or document, from which copies are made.
    • We need the master file to print more copies of the book.
    • The master tape of the album is kept in a secure vault.
    • The artist carefully stored the master painting in a climate-controlled room.