Pronunciation

change

Singular
master

Plural
masters

  1. (countable) A master is someone who controls something.
    She is the master of this domain.
  2. (countable) A master of a skill is very good at it.
    She is a master at sculpting humans.
  3. (uncountable) A degree awarded by a university.
    She holds a master's degree at Balliol College.

Plain form
master

Third-person singular
masters

Past tense
mastered

Past participle
mastered

Present participle
mastering

  1. (transitive) If a person masters something, they become very good at it; they are skilled at it.
    Through their courses, they will master the fine arts.