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
  • After a weak showing in Iowa, Ramaswamy ended his campaign and quickly folded into the broader MAGA-verse.
    — Philip Elliott, Time, 19 Oct. 2026
  • And as the most recent press secretary found out, you can be fired from the position just as quickly as you were hired.
    — Chandelis Duster, NPR, 19 Oct. 2026
Definition of quickly
Adverb
  • Future quantum applications The team sees potential applications in electronics that consume less power and switch states rapidly.
    — Aamir Khollam, Interesting Engineering, 23 Oct. 2026
  • Foot-and-mouth disease spreads rapidly among livestock and can force mass culling, movement restrictions, and trade disruptions.
    — Robert Kelly, Fortune, 22 Oct. 2026
Definition of rapidly
Adverb
  • Still, when the measles outbreak erupted, Bangladesh responded swiftly and initially seemed to be winning the battle.
    — Arkansas Online, Arkansas Online, 18 Oct. 2026
  • Illinois reacted swiftly to the boys’ arrest for Morse’s murder, enacting a new law that lowered the age to 10 from 13 at which offenders could be sentenced to prison.
    — Kori Rumore, Chicago Tribune, 18 Oct. 2026
Definition of swiftly
Adverb
  • Every story comes to an end, but the end comes quicker for small publishers.
    — Literary Hub, Literary Hub, 21 Oct. 2026
  • Most importantly, its extra RAM makes third-party apps feel quicker than on its sluggish predecessor.
    — Will Greenwald, PC Magazine, 16 Oct. 2026
Definition of quick
Adverb
  • Some announcements could come sooner, given the massive amount of organization and fundraising involved in mounting presidential campaigns.
    — Praveena Somasundaram, Washington Post, 18 Oct. 2026
  • Porter’s prediction needs several of them to take steps forward together, and soon.
    — C.J. Holmes, New York Daily News, 18 Oct. 2026
Definition of soon
Adverb
  • That could represent either a benefit or a risk for shareholders, as decision-making would become faster but have fewer checks.
    — Miranda Jeyaretnam, Time, 21 Oct. 2026
  • Its stainless steel body can last for years of making pour-over coffee every morning or evening cups of hot tea, and the kettle also comes in handy to boil water fast for everyday recipes.
    — Caley Sturgill, Southern Living, 21 Oct. 2026
Definition of fast
Adverb
  • Report a new lump, thickened area, persistent ulcer or unexplained bleeding promptly.
    — Emily Cegielski, Flow Space, 20 Oct. 2026
  • When Weiss and her aides shift coverage closer to Israel’s point of view, their actions promptly leak to outlets like the Guardian and Status, the daily media newsletter that has relentlessly chronicled Weiss’ real and perceived missteps.
    — semafor.com, semafor.com, 19 Oct. 2026
Definition of promptly
Adverb
  • Details on the funeral arrangements were not immediately available.
    — Martino Carrera, Footwear News, 17 Oct. 2026
  • The delivery does not mean the aircraft can begin operational service immediately.
    — Aamir Khollam, Interesting Engineering, 17 Oct. 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 Oct. 2026.

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