1
as in tranquil
free from storms or physical disturbance
a halcyon era following the American Civil War
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2
as in thriving
marked by vigorous growth and well-being especially economically
during those early halcyon years the company's potential for growth seemed unlimited
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Recent Examples of halcyon
On Thanksgiving Day, the flurry of food and family time (or family drama, as the case may be) calls to mind nothing so much as the halcyon days of Gossip Girl—in particular, the holiday high jinks of Blair, Serena, Nate, Dan, Jenny, et al.
—
Abrigail Williams, Vogue, 27 Nov. 2025
His one weakness, even during those halcyon Dallas days, was his iffy fitness and, by proxy, mediocre-to-nonexistent defensive effort.
—Joseph Dycus, Mercury News, 20 Oct. 2025
In the early nineties, the halcyon days of mountain biking, a cadre of American cyclists competed all over the world on these glorious if archaic machines.
—Frederick Dreier, Outside, 6 Oct. 2025
Of course, This Is Spinal Tap is a document from well after the band's halcyon days.
—Jordan Hoffman, Entertainment Weekly, 12 Sep. 2025
See All Example Sentences for halcyon
Abrigail Williams, Vogue, 27 Nov. 2025
His one weakness, even during those halcyon Dallas days, was his iffy fitness and, by proxy, mediocre-to-nonexistent defensive effort.
—Joseph Dycus, Mercury News, 20 Oct. 2025
In the early nineties, the halcyon days of mountain biking, a cadre of American cyclists competed all over the world on these glorious if archaic machines.
—Frederick Dreier, Outside, 6 Oct. 2025
Of course, This Is Spinal Tap is a document from well after the band's halcyon days.
—Jordan Hoffman, Entertainment Weekly, 12 Sep. 2025
See All Example Sentences for halcyon
Recent Examples of Synonyms for halcyon
Adjective
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In the same way, the entire gallery space invites us into the thoughtful and tranquil world of Alfredo Castañeda.—
Michael James Rocha,
San Diego Union-Tribune,
18 Jan. 2026
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The entrance cleverly separates hotel guests from those who are there to dine, so the check-in area is always uncrowded and tranquil.—
Condé Nast,
Condé Nast Traveler,
30 Dec. 2025
Adjective
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Stop and think about what this meant for Live Nation, a formerly thriving commercial entity that achieved commercial success via – yes – live shows the excitement and success of which was rooted in the big, packed crowds that would attend them.—
John Tamny,
Forbes.com,
26 Jan. 2026
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Maryland is a thriving hub for advanced health care and research and development.—
Peter Shen,
Baltimore Sun,
26 Jan. 2026
Adjective
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Without unbending her back, the mother arranges her mouth into a placid line.—
Literary Hub,
Literary Hub,
15 Dec. 2025
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As Butker’s kick went through, Steichen looked placid.—
Tom Krasovic,
San Diego Union-Tribune,
24 Nov. 2025
Adjective
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Bake for 20–25 minutes, until the biscuits are puffed and the bottoms are golden brown.—
Hailee Catalano,
Bon Appetit Magazine,
23 Jan. 2026
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Travel Wise Zakynthos, Greece—the country has an additional golden visa program for 2026.—
Forbes.com,
Forbes.com,
23 Jan. 2026
Adjective
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Honda says that altogether, these enhancements reduce interior noise by two or three decibels, which doesn’t sound like a lot, but the result is indeed a serene ride.—
Adam Ismail,
The Drive,
29 Jan. 2026
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Pantone’s 2026 Color of the Year is 11-4201 Cloud Dancer, a serene off-white that’s meant to promote relaxation and creativity.—
Asia London Palomba,
The Spruce,
29 Jan. 2026
Adjective
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Why is Live Nation such a prosperous corporation?—
John Tamny,
Forbes.com,
26 Jan. 2026
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Iraqi Kurdish leaders courted Western oil companies and turned the territory into what was known as the most prosperous and stable part of Iraq.—
Jane Arraf,
NPR,
22 Jan. 2026
Adjective
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Below are five actions that may seem quiet but can significantly increase your chances of promotion in the first quarter, along with how to put them into practice.—
Sho Dewan,
Forbes.com,
27 Jan. 2026
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The cold, quiet pattern continues Tuesday in Minnesota.—
Joseph Dames,
CBS News,
27 Jan. 2026
Adjective
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Our palmy years began way before Hollywood and the enormous hillside onetime real estate sign of that name.—
Patt Morrison,
Los Angeles Times,
20 Feb. 2025
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Serve a crisp cookie with each serving, such as a butter cookie or palmier.—
Cathy Thomas,
Orange County Register,
22 Oct. 2024
Cite this Entry
“Halcyon.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/halcyon. Accessed 30 Jan. 2026.
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