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[mas-tuh-ree, mah-stuh-] /ˈmæs tə ri, ˈmɑ stə-/
noun, plural masteries for 1, 4.
command or grasp, as of a subject:
a mastery of Italian.
superiority or victory:
mastery over one's enemies.
the act of mastering.
expert skill or knowledge.
the state of being master; power of command or control.
Origin of mastery
1175-1225; master + -y3; replacing Middle English maistrie < Old French
Related forms
nonmastery, noun, plural nonmasteries.
premastery, noun
remastery, noun, plural remasteries. Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2017.
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Examples from the Web for mastery
Contemporary Examples
Historical Examples
  • I refer, of course, to man's mastery over the latent forces of Nature.

    'Tis Sixty Years Since Charles Francis Adams
  • For his love's sake, he must seize on this opportunity given of fate to him for mastery.

    Within the Law Marvin Dana
  • mastery of his rules will not help another to win business success.

    Understanding the Scriptures Francis McConnell
  • The latter is complete—it is the mastery of an originator of style.

  • There remains yet the fifth act in which one would think they should show their mastery.

    The Praise of Folly Desiderius Erasmus
British Dictionary definitions for mastery


noun (pl) -teries
full command or understanding of a subject
outstanding skill; expertise
the power of command; control
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
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Word Origin and History for mastery

early 13c., mesterie, "condition of being a master," also "superiority, victory;" from Old French maistrie, from maistre "master" (see master (n.)). Meaning "intellectual command" (of a topic, etc.) is from 1660s.

Online Etymology Dictionary, © 2010 Douglas Harper
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