mastery

noun

mas·​tery ˈma-st(ə-)rē 

1

a

: the authority of a master : dominion

b

: the upper hand in a contest or competition : superiority, ascendancy

2

a

: possession or display of great skill or technique

b

: skill or knowledge that makes one master of a subject : command

Synonyms

• command
• IQ
• mastership
• proficiency

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.

Recent Examples on the Web

March 2025 King of Cups: This month invites you into the realms of emotional mastery and deep inner work. —Meghan Rose, Glamour, 1 Apr. 2025

Available in rose gold or platinum each 50-piece limited edition is sure to be snatched up by eager collectors who value the brand’s unique design sensibilities and horological mastery. —Justin Fenner, Robb Report, 1 Apr. 2025

While Bardella lacks experience, expertise, and mastery of the subjects at-hand, these may not be such flaws in today’s climate. —Cole Stangler, Time, 1 Apr. 2025

Modeled on Edith, Seated Woman with Bent Knee from 1917 shows his mastery of sharp lines and striking colors. —Eli Wizevich, Smithsonian Magazine, 28 Mar. 2025

Word History

Etymology

Middle English maistrie, from Anglo-French mestrie, maistrie, from meistre master

First Known Use

13th century, in the meaning defined at sense 1a

Phrases Containing mastery

• self-mastery

Kids Definition

mastery

noun

mas·​tery ˈmas-t(ə-)rē 

plural masteries

1

: the position or authority of a master

2

: victory

3

: skill or knowledge that makes one master of something : command

a mastery of French