posthaste

adverb

Definition of posthastenext
as in quickly
with great speed ran posthaste for the doctor

Synonyms & Similar Words

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Antonyms & Near Antonyms

Example Sentences

Recent Examples of Synonyms for posthaste
  1. quickly
  2. rapidly
  3. swiftly
  4. quick
  5. soon
  6. fast
  7. promptly
  8. immediately
Adverb
  • Either way, many intimate gatherings around the country are quickly adding a sales pitch.
    — Gili Malinsky, CNBC, 8 Nov. 2026
  • In addition, there is an increasing emphasis on developing systems that are modular, allowing them to be quickly adapted and scaled to meet future needs.
    — New Atlas, New Atlas, 8 Nov. 2026
Definition of quickly
Adverb
  • The technology is rapidly transforming the way people work, in part by eliminating some of the busy work and tedium of manual workflows, freeing up time for employees to focus on more complex issues.
    — S. Sorrina Beecher, Chicago Tribune, 13 Nov. 2026
  • Communication issues also played a role as crews faced rapidly changing fire conditions.
    — Karen Morfitt, CBS News, 13 Nov. 2026
Definition of rapidly
Adverb
  • The federal judges who ordered the men’s releases have reacted swiftly — and, at times, furiously — to the re-arrests.
    — Seth Klamann, Denver Post, 7 Nov. 2026
  • Opposition to the facilities mounted swiftly over the summer as Americans grew worried about their potential to harm the environment, raise utility bills and contribute to job loss.
    — Ashley Capoot, CNBC, 6 Nov. 2026
Definition of swiftly
Adverb
  • Storms would be quick-moving, so there is little threat of flooding, and dry conditions across the region should return by Wednesday night.
    — Richard Tribou, The Orlando Sentinel, 11 Nov. 2026
  • Smooth spinner wheels make long walks to an airport gate or just down the street quicker, and the adjustable handle comfortably supported my personal item.
    — Jacqueline Dole, Travel + Leisure, 3 Nov. 2026
Definition of quick
Adverb
  • The plant went offline soon after being captured by Russia early in the war, but needs power to keep essential cooling systems running.
    — Arkansas Online, Arkansas Online, 9 Nov. 2026
  • The city will soon be holding advisory meetings to develop the list of events and festivals that will occur in the next 12 months.
    — John Ramos, CBS News, 8 Nov. 2026
Definition of soon
Adverb
  • And book early for Luna Mar—its outdoor seating fills up fast during peak hours.
    — Condé Nast, Condé Nast Traveler, 11 Nov. 2026
  • Management has a great track record of allocating capital, especially through acquiring faster-growing, higher-margin businesses that complement its legacy distribution operations.
    — Jeff Marks, CNBC, 10 Nov. 2026
Definition of fast
Adverb
  • People with bloody diarrhea, signs of dehydration, or other severe symptoms should seek medical attention promptly, the Health Department said.
    — Michelle Mullins, Chicago Tribune, 10 Nov. 2026
  • Courts in Brazil and Norway issued preliminary injunctions blocking the terms after organizations in those countries promptly filed lawsuits, Nieman Lab reported.
    — Ashley Belanger, ArsTechnica, 6 Nov. 2026
Definition of promptly
Adverb
  • The Monterey County district attorney’s office did not immediately respond to questions from The Times.
    — Iris Kwok, Los Angeles Times, 7 Nov. 2026
  • Spokespersons for Hinojosa and Talarico did not immediately respond to requests for comment Friday.
    — Arkansas Online, Arkansas Online, 7 Nov. 2026
Definition of immediately
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.

Browse Nearby Words

postgraduates
posthaste
posthole
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Cite this Entry

“Posthaste.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/posthaste. Accessed 14 Nov. 2026.

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