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Synonyms

mastery

American  
[mas-tuh-ree, mah-stuh-] / ˈmæs tə ri, ˈmɑ stə- /

noun

masteries plural
  1. command or grasp, as of a subject.

    a mastery of Italian.

  2. superiority or victory.

    mastery over one's enemies.

  3. the act of mastering.

  4. expert skill or knowledge.

  5. the state of being master; power of command or control.


mastery British  
/ ˈmɑːstərɪ /

noun

  1. full command or understanding of a subject

  2. outstanding skill; expertise

  3. the power of command; control

  4. victory or superiority

"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

Other Word Forms

Derived Forms

Inflected Forms

noun

Etymology

Origin of mastery

1175–1225; master + -y 3; replacing Middle English maistrie < Old French

Explanation

Mastery refers to having great skill at something or total dominance over something. If you are fluent in French, you have a mastery of the language. If you win every game of chess, you show a mastery of the game. Mastery is from master, who is someone knowledgeable about a subject, like a master painter. Masters are also people with power — butlers sometimes call their employer master. Mastery refers to a similar power or ability. Beethoven showed mastery in composing. Shakespeare displayed mastery in writing. Apple has had mastery over the field of computers and smartphones. Often, both senses are mixed: if someone has mastery over a field skill-wise, they probably have mastery in terms of dominance too.

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Vocabulary lists containing mastery

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

He remained "a defining voice in art across his lifetime," it added, praising his "boundless curiosity, mastery of colour and embrace of new technologies".

From Barron's • Jun. 12, 2026

Whether in the films beloved by the Wu-Tang or the animated sagas Megan favors, characters battle not simply for survival but to achieve mastery.

From Salon • May 31, 2026

It’s a combination of mastery and an unstoppable spirit of adventure that I think make him unique.

From Los Angeles Times • May 25, 2026

Her mastery of metal is on full, glorious display at the Guggenheim in the artist’s first museum survey.

From The Wall Street Journal • May 22, 2026

I found it hard to believe they were made of flesh and blood as I watched them display complete mastery over the racket and the tennis ball.

From "Kaffir Boy: An Autobiography" by Mark Mathabane

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