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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.

“This home is a rare example of Swiss architectural mastery, built with exceptional quality, thoughtful details, and a focus on longevity,” Young adds.

From MarketWatch

He delights in his mastery of the battlefield, military or civilian, flexing his psychological muscles with a sociopath’s defiant swagger.

From Los Angeles Times

He will, for example, see international crises where American power can have an effect as opportunities to demonstrate his continuing mastery of events and retain the world’s attention.

From The Wall Street Journal

His mastery was so complete that even his detractors conceded it.

From The Wall Street Journal

Even without weaponisation, mastery of the enrichment cycle creates what strategists call "threshold capability".

From BBC

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.