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
  • Beijing in recent years has rapidly expanded mandates for schools in ethnic minority regions to adopt primarily Chinese-language education, starting from kindergarten.
    — CNN Money, CNN Money, 2 Aug. 2026
  • Accidents are common on climbing expeditions in northern Pakistan because of avalanches, falling ice and rock, high altitude and rapidly changing weather.
    — ABC News, ABC News, 1 Aug. 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
  • Ponder has drawn positive comments, and Swinson has dropped 15 pounds to try to get quicker on the edge, both good signs.
    — Chad Graff, New York Times, 30 July 2026
  • Netflix, of all places, is starting to do a better job of producing new seasons quicker.
    — Paul Tassi, Forbes.com, 28 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
  • Late one night last year, when Knier wasn’t available, another hospice nurse from By the Bay Health came promptly to the Vantreases’ home in response to an urgent call from Paula.
    — Laurie Udesky, Miami Herald, 30 July 2026
  • Attorneys in the case argued that the suspension violates the EEOC’s own regulations governing complaints filed by federal workers requiring the agency to handle complaints promptly.
    — Alexandra Olson, Fortune, 29 July 2026
Definition of promptly
Adverb
  • Thaw the dough just until it can be unfolded, then immediately cut.
    — Torie Cox, Southern Living, 1 Aug. 2026
  • The result is a historic rise in the number of people missing court dates and being immediately ordered deported as the system struggles to keep up, new data shows.
    — ABC News, ABC News, 1 Aug. 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 2 Aug. 2026.

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