1
as in tranquil
free from storms or physical disturbance
a halcyon era following the American Civil War
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Antonyms & Near Antonyms
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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Example Sentences
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Recent Examples of halcyon
Close your eyes and recall the halcyon days of 2011.
—
Zoe Guy, Vulture, 9 Sep. 2025
Tim’s view At a glance, the next few years look like halcyon days for the gas industry.
—Tim McDonnell, semafor.com, 9 Sep. 2025
Since this season’s halcyon days -- a weekend home sweep of the Yankees that got Miami even at 55-55 -- the Fish have flopped at 10-22 .
—Greg Cote
september 7, Miami Herald, 7 Sep. 2025
But over the years, his halcyon memories of swimming there with family and friends have darkened to a cold, isolated present.
—Ben Travers, IndieWire, 4 Sep. 2025
See All Example Sentences for halcyon
Recent Examples of Synonyms for halcyon
Adjective
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In Rian Johnson's Wake Up Dead Man, a tranquil church becomes the scene of a shocking (and seemingly impossible) murder.—
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The Corn Islands Flung more than 40 miles off the Caribbean Coast of Nicaragua, the Corn Islands have long been spoken of by in-the-know travelers looking for a truly tranquil escape.—
Adjective
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Ronny Hartmann | Afp | Getty Images Rolls-Royce shares have hit fresh record highs every single trading day so far this year, as the aerospace and defense firm reaps benefits from multiple directions – from its exposure to defense, to its thriving power systems business and a wider FTSE 100 rally.—
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Settlements turned into towns, towns turned into thriving American port cities.—
Adjective
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Without unbending her back, the mother arranges her mouth into a placid line.—
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As Butker’s kick went through, Steichen looked placid.—
Adjective
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Dwayne Johnson walked hand-in-hand with wife Lauren Hashian, who looked golden in a floor-length gown.—
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Return to oven, and bake until hot and bubbly around edges and chips are lightly golden brown, about 10 minutes.—
Adjective
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Opposite a serene Rooney Mara and a raging Claire Foy, Buckley is a lone dissenting voice in Sarah Polley’s heart-wrenching portrait of a group of women and girls in an isolated Mennonite colony who are debating how to respond to a series of brutal attacks from the men in their community.—
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The serene pool and hot tub area is no different, decorated with native plants and nestled into the landscape; the walls encasing the pool deck are a nearly identical hue to the surrounding mountains.—
Adjective
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This aggressive subjugation of a country that was not, in fact, a threat to the United States doesn’t make America safer or more prosperous and likely makes the whole region less stable.—
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On one hand, every country in the region would benefit from a democratic, stable, and prosperous Venezuela.—
Adjective
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The lightweight fabric is also quiet, so you won’t be awoken from crinkling material.—
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The family settled in a quiet residential street of older homes and multifamily buildings, some front porches festooned with pride flags still twinkling with holiday lights.—
Adjective
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Our palmy years began way before Hollywood and the enormous hillside onetime real estate sign of that name.—
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Serve a crisp cookie with each serving, such as a butter cookie or palmier.—
Cite this Entry
“Halcyon.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/halcyon. Accessed 12 Jan. 2026.
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