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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
  • Yet subsequent agreements have followed a similar pattern, the officials said, with Feinberg’s private-sector hires at OSC and the newer Economic Defense Unit sidelining career officials in order to ink deals as quickly as possible.
    — Eleanor Mueller, semafor.com, 21 Sep. 2026
  • The relationship quickly became serious and highly visible, with the pair making public appearances and Rodgers openly discussing their life together.
    — Lauryn Overhultz, FOXNews.com, 20 Sep. 2026
Definition of quickly
Adverb
  • September 24, 2026 AI is rapidly changing how top leaders communicate with employees, customers, boards, and each other.
    — Harvard Business Review, Harvard Business Review, 24 Sep. 2026
  • The tragedy has shaken students across campus Across campus, vending machines that offer free Narcan – an over-the-counter nasal spray version of naloxone used to rapidly reverse the effects of an opioid overdose – have been emptied, WMC reported.
    — Cindy Von Quednow, CNN Money, 24 Sep. 2026
Definition of rapidly
Adverb
  • The looming question is whether European leaders, institutions, and citizens can pivot swiftly enough so that the bloc can use its economic heft to take responsibility for its own security.
    — Ben Smith, semafor.com, 21 Sep. 2026
  • Kovacik, who suddenly saw people running to see what happened, later drove swiftly to the source of the smoke.
    — Dalia Faheid, CNN Money, 20 Sep. 2026
Definition of swiftly
Adverb
  • Pennsylvania State Police makes that possible quicker than most police departments.
    — Josh Taylor, CBS News, 18 Sep. 2026
  • Because of their small size, the little dots of pasta cooked up quicker than the standard ones, which means dinner was ready in no time.
    — Nina Moskowitz, Bon Appetit Magazine, 17 Sep. 2026
Definition of quick
Adverb
  • Their aim was to get bills out the door sooner and for the county to pay back districts that took a financial hit because of prior billing delays.
    — A.D. Quig, Chicago Tribune, 20 Sep. 2026
  • My colleague Howard Blume recently wrote about district officials pressing ahead with a multibillion-dollar modernization and rebuilding plan, raising questions about investing in campuses that soon may be shuttered.
    — Andrew J. Campa, Los Angeles Times, 20 Sep. 2026
Definition of soon
Adverb
  • Washington can’t stop talking about AI doom scenarios and the public backlash to data centers — but around the world, sentiment toward the fast-moving technology is much more nuanced.
    — Morgan Chalfant, semafor.com, 23 Sep. 2026
  • Development teams are producing code faster, modernizing applications more rapidly and introducing new services at unprecedented rates.
    — Evgeny Gervis, Forbes.com, 22 Sep. 2026
Definition of fast
Adverb
  • Usually, the German federal chancellor does not comment so promptly on state election results, especially for two states with relatively small electorates.
    — Esme Nicholson, NPR, 21 Sep. 2026
  • Herbert handed off to Omarion Hampton on a draw, and the second-year back was met by linebacker Nakobe Dean and promptly fumbled — one of six on the day for the Chargers.
    — Los Angeles Times, Los Angeles Times, 20 Sep. 2026
Definition of promptly
Adverb
  • The Associated Press could not immediately confirm the report.
    — Arkansas Online, Arkansas Online, 19 Sep. 2026
  • Henry falls out of the stones into what is now 1924, but is immediately tossed into an insane asylum in Inverness.
    — Maggie Fremont, Vulture, 19 Sep. 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 26 Sep. 2026.

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