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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For what's essentially the embryonic form of a massive star, L1544 is a remarkably tranquil place.—
Kiona N. Smith,
Space.com,
16 Feb. 2026
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Schoen, owner of the Paradise River Bend wedding venue and vacation rental property, often visits what was once a pristine retreat across the road from his cabins, surrounded by trees and nestled along the usually tranquil Guadalupe River.—
Abrielle Kate Maddison,
Austin American Statesman,
11 Feb. 2026
Adjective
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That meeting plunged Frisco — an affluent Collin County suburb known for high-ranking schools and a thriving business climate — into the precarious national battleground over race, identity, immigration and opportunity.—
Sarah Bahari,
Dallas Morning News,
16 Feb. 2026
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Embedded in a thriving corridor of business and innovation, our students can intern year-round, seamlessly integrating professional experience into their academic schedules.—
Adam Hasner,
Sun Sentinel,
16 Feb. 2026
Adjective
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Hicks was born in 1967, grew up in the placid Chicago suburb of South Holland, studied at a seminary on the Southwest Side, spent a year in Mexico, and served in the Archdiocese of Chicago’s parishes and seminaries.—
Paul Elie,
New Yorker,
6 Feb. 2026
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But this type of placid acceptance in the face of obvious danger isn’t unique to this ensemble.—
Shirley Li,
The Atlantic,
5 Feb. 2026
Adjective
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Cook until brown on one side, about 3 minutes, then gently flip and cook on the other side until the cakes are evenly golden and heated through, about 2 minutes.—
Karla Walsh,
Southern Living,
13 Feb. 2026
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The skies clear, the land no longer ablaze but still a dry, flammable golden.—
Guy Lodge,
Variety,
13 Feb. 2026
Adjective
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For glam, Union’s pixie cut hairdo was coiffed with a modern touch, and her makeup included clean, serene details like bold brows, lightly lined eyes and a neutral lip.—
Julia Teti,
Footwear News,
5 Feb. 2026
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At L'Auberge de Sedona's serene spa, options include alternative treatments like chakra-balancing massages and Reiki, as well as body scrubs to make dry skin glow.—
Evie Carrick,
Travel + Leisure,
4 Feb. 2026
Adjective
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The backstory Greenwich, for the unfamiliar, is a prosperous city ensconced in Connecticut’s little panhandle.—
Charlie Hobbs,
Condé Nast Traveler,
16 Feb. 2026
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And the loss of our supply chain sovereignty was not a function of a prosperous and healthy system of global trade.—
Azhar Sukri,
CNBC,
14 Feb. 2026
Adjective
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Without my father’s booming presence, our house was strangely quiet.—
Faith Karimi,
CNN Money,
17 Feb. 2026
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What was once a gravel and sand mine is being reforested and turned into a sanctuary with quiet beaches and a pristine, spring water lake.—
Evie Carrick,
Travel + Leisure,
16 Feb. 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 19 Feb. 2026.
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