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
  • Some come so quickly that there’s barely time to process how they were accomplished.
    — Dave Quinn, PEOPLE, 26 Aug. 2026
  • Besides faulty lactose digestion, nonwhite bodies were accused of other failures, too, such as aldehyde dehydrogenase deficiency, an inability to digest alcohol quickly.
    — Hilary Smith, The Conversation, 25 Aug. 2026
Definition of quickly
Adverb
  • The blaze had grown rapidly through the day, driven by gusty winds, low humidity and dry brush.
    — Martin Goillandeau, CNN Money, 23 Aug. 2026
  • The episode illustrated the advantages and dangers of the rapidly developing technology—and what business leaders can learn from using AI to help manage a business crisis.
    — Edward Segal, Forbes.com, 22 Aug. 2026
Definition of rapidly
Adverb
  • The additional personnel — and coordination with Fever, league and arena security and the Chicago Police Department — made Alter feel confident the team could intervene swiftly if Kanter Freedom crossed a line.
    — Julia Poe, Chicago Tribune, 25 Aug. 2026
  • He was acquitted in 2020, but was swiftly rearrested on charges linking him to Turkey’s 2016 coup attempt.
    — Los Angeles Times, Los Angeles Times, 25 Aug. 2026
Definition of swiftly
Adverb
  • In 2023, Diamond Crystal introduced baking salt, a fine salt that dissolves quicker, melting into dough and batters.
    — Susan Selasky, Freep.com, 28 Aug. 2026
  • Copper became the fastest player in franchise history to score 2,000 points with Phoenix, doing so in 103 games, a game quicker than Diana Taurasi and Cappie Pondexter.
    — ABC News, ABC News, 28 Aug. 2026
Definition of quick
Adverb
  • For years, America's been in the chokehold of unnecessarily oversized pickup trucks, but recent announcements of new vehicles show that common sense – and more reasonably proportioned utes – may soon prevail.
    — Abhimanyu Ghoshal, New Atlas, 26 Aug. 2026
  • Robinson was expected to be an upgrade over veteran receiver Robert Woods, who was subsequently traded to the Tennessee Titans soon after the Robinson deal, but wasn’t able to achieve his previous levels of success.
    — Chuck Schilken, Los Angeles Times, 25 Aug. 2026
Definition of soon
Adverb
  • The program is built around a vision of cinema and technology developing side by side, with a scope that runs from brand-film partnerships to the fast-growing microdrama business.
    — Naman Ramachandran, Variety, 26 Aug. 2026
  • Parents these days have a lot on their plate, not least an increasingly digitized, discerning set of kids fast approaching term time.
    — Joe Bobowicz, Vogue, 25 Aug. 2026
Definition of fast
Adverb
  • Evacuating promptly in an emergency also reduces the likelihood firefighters will have to put themselves in high-stress situations to rescue you.
    — Julian L. Gallegos, The Conversation, 27 Aug. 2026
  • Nevada promptly sued, arguing the plan is untenable for Las Vegas.
    — Noah Haggerty, Los Angeles Times, 27 Aug. 2026
Definition of promptly
Adverb
  • But that bipartisan effort was immediately panned by conservative groups, and little else has emerged as a serious solution.
    — Ashley Lopez, NPR, 28 Aug. 2026
  • Though freshman Jackson Cantwell likely could have stepped in immediately at left tackle, the junior Okunlola has the game experience (albeit mostly at guard) that should serve him well in taking on the opponent’s best edge rusher.
    — Barry Jackson, Miami Herald, 28 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.

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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 29 Aug. 2026.

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