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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

  • nonmastery noun
  • premastery noun
  • remastery noun

Etymology

Origin of mastery

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

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.

The most productive workers in the coming decades will be those who pair deep knowledge in fields such as medicine, law, architecture and finance with a mastery of AI tools.

From MarketWatch

The Sweet Southern Stammer was David Lewis, a genial Republican House member from rural North Carolina with a speech impediment and an uncommon mastery of election law.

From Salon

The rule posits a person needs some 10,000 hours of practice to achieve mastery.

From The Wall Street Journal

On the other hand, if the purpose of a test is to indicate whether a certain level of mastery has been achieved—as in a bar exam—grading should be pass/fail.

From The Wall Street Journal

Left-handed or right-handed as the fight demanded, his technical mastery was a constant throughout his career.

From Los Angeles Times

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.