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Synonyms

mastery

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

noun

plural

masteries
  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

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.

Mastery has a way of changing the mood of a kitchen.

From Salon • Dec. 20, 2025

Mastery of the work, he said, is a better measure of what they’ve learned than any written test.

From Los Angeles Times • Sep. 15, 2024

I like its first suggestion - Skills Mastery Showdown - where contestants would be paired with skilled mentors, and have a limited time to master a specific new skill, such as dancing, cooking or painting.

From BBC • May 8, 2024

Mastery is not what she felt about her singing.

From New York Times • Jan. 30, 2024

“You’ve drawn too much water from that well. Wait. Manhood is patience. Mastery is nine times patience. What is that herb by the path?”

From "A Wizard of Earthsea" by Ursula K. Le Guin