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
  • Two teams — McLaren and Aston Martin — are expected to bring big upgrade packages to the Hungarian Grand Prix this weekend, and this race is anticipated to be less about energy deployment and more about driving quickly without making a mistake.
    — Madeline Coleman, New York Times, 22 July 2026
  • With a void in leadership and production, the Horned Frogs will need someone to step up quickly.
    — Steven Johnson, Fort Worth Star-Telegram, 22 July 2026
Definition of quickly
Adverb
  • Although revenues have expanded substantially, income needs to continue growing rapidly for Newcastle to sustain a higher salary base and regularly sign the best players.
    — Chris Weatherspoon, New York Times, 18 July 2026
  • But a warming planet has increased ocean temperatures and created milder winters — allowing the crabs to multiply rapidly and feast on the clams.
    — Kasha Patel, CNN Money, 18 July 2026
Definition of rapidly
Adverb
  • Payment card data could swiftly identify common merchants, a crucial first step where traditional epidemiology struggles.
    — John Drake, Forbes.com, 22 July 2026
  • Other top watchmakers swiftly followed suit, with blue dials becoming a staple across collections.
    — Rachel Cormack, Robb Report, 21 July 2026
Definition of swiftly
Adverb
  • Smoke could linger through World Cup weekend A quick-hitting rainstorm will bring winds from the south, pushing the smoke to the north and ushering in fresher air by Saturday evening.
    — Dalia Faheid, CNN Money, 18 July 2026
  • Grid Dynamics says the platform has delivered measurable gains, including inspection cycles up to 1,000 times faster and anomaly detection 24 times quicker in industrial deployments.
    — Jijo Malayil, Interesting Engineering, 17 July 2026
Definition of quick
Adverb
  • Munster, who has extensively researched Ebola, was locked out of his lab soon after the January detention.
    — CNN Money, CNN Money, 22 July 2026
  • The organization has also installed four emergency clinic modules for local healthcare facilities, with a fifth expected to open soon.
    — Jasmine Baehr, FOXNews.com, 22 July 2026
Definition of soon
Adverb
  • Anything below 20,000 double rubs may wear down faster and is better suited to a bouclé loveseat, accent chair or other low-traffic piece of bouclé furniture.
    — Ryan Brennan, Miami Herald, 22 July 2026
  • That adoption, which had previously been unreported, seems consistent for a team that leans on data, employs a Gen Z roster and trusts a coaching staff stocked with millennials who care how fast their pitchers throw ball four.
    — Spencer Nusbaum, New York Times, 22 July 2026
Definition of fast
Adverb
  • Danish referee Kim Milton Nielsen promptly issued a red card in a 2-2 tie that Argentina would win in a penalty shootout.
    — Mark Zeigler, San Diego Union-Tribune, 15 July 2026
  • Investigators promptly identified and arrested 23-year-old Jaxson Clift on murder charges in connection with the killing, according to the statement.
    — Samira Asma-Sadeque, PEOPLE, 15 July 2026
Definition of promptly
Adverb
  • Spokespersons for Paxton’s campaign and office and the Texas Tech system did not immediately return requests for comment.
    — Eleanor Dearman, Fort Worth Star-Telegram, 18 July 2026
  • Avdis didn’t immediately respond to a request for comment Thursday.
    — Graham Womack, Sacbee.com, 17 July 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 24 Jul. 2026.

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