1
as in proficiency
a highly developed skill in or knowledge of something
the exchange student returned from her year in Spain with a complete mastery of the language
Synonyms & Similar Words
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Antonyms & Near Antonyms
2
as in power
the right or means to command or control others
the British monarch has only token mastery over the citizens of the United Kingdom
Synonyms & Similar Words
Antonyms & Near Antonyms
Example Sentences
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Recent Examples of mastery
The 49ers matched Seau and Co’ physicality but also asserted their mastery at quarterback, receiver and within the West Coast offense coordinated by Mike Shanahan, a future winner of two Super Bowls as Denver’s head coach.
—
Tom Krasovic, San Diego Union-Tribune, 23 Dec. 2025
But this year is a Fire Horse year, a numerology 1 year, and Saturn and Neptune move into Aries, activating your sector of work, routine, health, and daily mastery.
—Dossé-Via Trenou, Refinery29, 23 Dec. 2025
The role demanded a medical boot camp and mastery of unfamiliar jargon.
—Ryma Chikhoune, Footwear News, 18 Dec. 2025
Later that same day, Wilbur took the controls and flew 852 feet in 59 seconds, demonstrating not just simple lift but mastery of control and balance.
—Kaif Shaikh, Interesting Engineering, 17 Dec. 2025
See All Example Sentences for mastery
Tom Krasovic, San Diego Union-Tribune, 23 Dec. 2025
But this year is a Fire Horse year, a numerology 1 year, and Saturn and Neptune move into Aries, activating your sector of work, routine, health, and daily mastery.
—Dossé-Via Trenou, Refinery29, 23 Dec. 2025
The role demanded a medical boot camp and mastery of unfamiliar jargon.
—Ryma Chikhoune, Footwear News, 18 Dec. 2025
Later that same day, Wilbur took the controls and flew 852 feet in 59 seconds, demonstrating not just simple lift but mastery of control and balance.
—Kaif Shaikh, Interesting Engineering, 17 Dec. 2025
See All Example Sentences for mastery
Recent Examples of Synonyms for mastery
Noun
-
Lucrative, fully remote data science jobs with robust salaries usually require technical proficiencies that are gauged in an interview.—
Amanda Gerut,
Fortune,
13 Jan. 2026
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That means abandoning your inhibitions and not getting hung up on grammar or achieving proficiency, said Thomas Sauer, assistant director of resource development for the National Foreign Language Center at the University of Maryland.—
The New York Times News Service Syndicate,
San Diego Union-Tribune,
13 Jan. 2026
Noun
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The experience also reinforced Madsen’s belief in the power of social media.—
Jordan Greene,
PEOPLE,
8 Jan. 2026
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Mophie's power bank has the functionality of a wireless MagSafe connection, with the convenience of a stand.—
Michael Cappetta,
Travel + Leisure,
8 Jan. 2026
Noun
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Take control of your money with CNBC Select CNBC Select is editorially independent and may earn a commission from affiliate partners on links.—
Renée Onque,
CNBC,
16 Jan. 2026
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Duties include patrolling residential neighborhoods, shopping centers, business parks, schools, local parks and assisting with traffic control, home vacation and elderly welfare checks.—
Linda Mcintosh,
San Diego Union-Tribune,
16 Jan. 2026
Noun
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During the Cold War, Radio Free Europe broadcast news to parts of Eastern Europe that were under Communist dominion.—
Dexter Filkins,
New Yorker,
12 Jan. 2026
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His strong-arming of universities, law firms, and media companies is a response to real problems, but his actions seem aimed more at harming those entities—and expanding his dominion over them—than at crafting enduring fixes.—
Stephen Kotkin,
Foreign Affairs,
16 Dec. 2025
Noun
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The Secret Agent, set in 1977 Brazil, is about living under a military dictatorship, which held sway in Brazil from 1964-1985.—
Jill Goldsmith,
Deadline,
11 Jan. 2026
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By late 1964, by then under the sway of the Beatles, those musicians were joined by drummer and jazz aficionado Kreutzmann and avant garde bassist Phil Lesh in the rock unit the Warlocks.—
Chris Morris,
Variety,
10 Jan. 2026
Cite this Entry
“Mastery.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/mastery. Accessed 20 Jan. 2026.
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