Simple Definition of mastery
: knowledge and skill that allows you to do, use, or understand something very well
: complete control of something
Examples of mastery in a sentence
We were impressed by her mastery of the subject.
She achieved a complete mastery of French.
He struggled to gain mastery of his fears.
Origin of mastery
Middle English maistrie, from Anglo-French mestrie, maistrie, from meistre master
First Known Use: 13th century
MASTERY Defined for Kids
Definition of mastery for Students
1 : complete control <The wrestler gained mastery over all of his opponents.>
2 : a very high level of skill or knowledge <He achieved a complete mastery of the language.>
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