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.
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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
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This year’s report card, the first issued under Illinois’ new scoring system, showed higher proficiency rates in reading and math.—
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The Wi-Fi is reliable, the weather is mild, English proficiency is high, and the coworking scene is more mature.—
Noun
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The experience also reinforced Madsen’s belief in the power of social media.—
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Mophie's power bank has the functionality of a wireless MagSafe connection, with the convenience of a stand.—
Noun
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As the Palisades Fire burned out of control under hurricane-force winds, some residents chose to stay and fight, like Cort Wagner.—
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Later attention turned to flood control after a hurricane in the 1920s caused Lake Okeechobee to overflow, killing thousands.—
Noun
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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.—
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But with rising numbers of Jewish immigrants escaping antisemitism in Europe, and the Palestinian population uniting in the largest and longest uprising against Britain’s 30-year dominion, all sides spiral towards inevitable collision.—
Noun
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Showing little propulsive momentum at the index level and under the sway of wide dispersion among stocks and sectors, this churning phase has left investor positioning and attitudes shy of dangerous extremes.—
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But Venezuela became a founding member of OPEC in 1960, along with Iran, Iraq, Kuwait and Saudi Arabia, giving Venezuela more sway in global affairs and more power to wield over the companies that did business in its state.—
Cite this Entry
“Mastery.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/mastery. Accessed 13 Jan. 2026.
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