halcyon

adjective

ˈhal-sē-ən How to pronounce halcyon (audio)
Definition of halcyonnext
1
as in tranquil
free from storms or physical disturbance a halcyon era following the American Civil War

Synonyms & Similar Words

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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

Synonyms & Similar Words

Antonyms & Near Antonyms

Example Sentences

Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Recent Examples of halcyon Meanwhile, the country’s crucial oil industry needs billions of dollars of investment to get anywhere close to the halcyon days of the late 1990s when production was at its height. — John Liu, CNN Money, 25 June 2026 With each year, more Americans don’t even recall such halcyon days. — Jackie Calmes, Mercury News, 19 June 2026 And especially when almost no one alive today still remembers just how many child-sized coffins were involved in the halcyon pre-vaccine days when nature got to take its course. — Diana Gitig, ArsTechnica, 30 May 2026 The halcyon days of chinking champagne flutes, spacious seating, and sense of adventure has long been replaced by the budget sardine-can approach to air travel. — Chris Haslam, Wired News, 1 May 2026 See All Example Sentences for halcyon
Recent Examples of Synonyms for halcyon
  1. tranquil
  2. thriving
  3. placid
  4. golden
  5. serene
  6. prosperous
  7. quiet
  8. palmy
Adjective
  • Bedrooms are tranquil and restorative, with clean lines, balconies, and mountain views that create a sense of space.
    — Condé Nast, Condé Nast Traveler, 9 July 2026
  • Located right across the water from Miami, Key Biscayne is filled with tranquil experiences in nature, delicious dining options with incredible views of the water, and even a little bit of history to explore.
    — Lisa Cericola, Southern Living, 13 June 2026
Definition of tranquil
Adjective
  • That should serve it well at the bottom of the Gulf, where it is expected to quickly become the center of a thriving ecosystem, marine scientists said.
    — Brad Lendon, CNN Money, 8 Nov. 2026
  • Cortez focused on supporting local businesses, maintaining a thriving downtown and preserving the town’s semirural quality of life.
    — Nicole Buss, Sacbee.com, 4 Nov. 2026
Definition of thriving
Adjective
  • But this is such a placid group that there’s no real tension between the female guards and the male inmates, and therefore no new insights raised about how complicated a woman’s role in this power dynamic could be.
    — Roxana Hadadi, Vulture, 22 Oct. 2026
  • Despite appearances, sand tiger sharks are a placid species that don’t pose a threat to humans.
    — Asia London Palomba, Christian Science Monitor, 20 Oct. 2026
Definition of placid
Adjective
  • In 1925 Friedrich Frey-Fürst purchased the property and Bürgenstock entered its golden era.
    — Condé Nast, Condé Nast Traveler, 7 Nov. 2026
  • Choose from seven rich, neutral tones, including deep chocolate brown and vibrant golden yellow.
    — Kate Donovan, Southern Living, 7 Nov. 2026
Definition of golden
Adjective
  • This silent meditation happened again when the Mechanical Clock Prize was presented, once more setting the audience in a serene horological mindset.
    — Allen Farmelo, Robb Report, 8 Nov. 2026
  • The spa The resort’s Forbes Travel Guide Triple Five-Star Spa is a standout, inspired by the Caribbean Sea and featuring ESPA and 111SKIN treatments, vibroacoustic wellness beds, steam rooms, and serene relaxation lounges.
    — Condé Nast, Condé Nast Traveler, 7 Nov. 2026
Definition of serene
Adjective
  • My home school, Georgetown University, does that, too, often with the prosperous elderly donor beaming in the front row.
    — David Super, Baltimore Sun, 3 Nov. 2026
  • The festival is named for the cotton-destroying insect that forced the community’s pivot to more prosperous peanut farming a century ago.
    — Kim Chandler, Los Angeles Times, 1 Nov. 2026
Definition of prosperous
Adjective
  • Fresh off a max contract extension, Reaves has had a quiet yet ruthlessly efficient start to the year in Doncic’s shadow.
    — Los Angeles Times, Los Angeles Times, 9 Nov. 2026
  • And at a time of national reflection, Kate’s wardrobe offered its own quiet tribute to those who came before her.
    — Anna Cafolla, Vogue, 8 Nov. 2026
Definition of quiet
Adjective
  • 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
  • Serve a crisp cookie with each serving, such as a butter cookie or palmier.
    — Cathy Thomas, Orange County Register, 22 Oct. 2024
Definition of palmy

Browse Nearby Words

halberds
halcyon
hale
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Cite this Entry

“Halcyon.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/halcyon. Accessed 11 Nov. 2026.

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