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
  • What quickly emerges, is Jackson’s talent for bringing comedic punch to each character.
    — Sheena McKenzie, CNN Money, 19 Aug. 2026
  • An inmate ran out of a preliminary hearing at the Fairfield Courthouse Tuesday afternoon, knocking down a deputy district attorney and making it out of the courtroom before he was quickly apprehended, the Solano County Sheriff's Office said.
    — Richard Ramos, CBS News, 19 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
  • This, as is the way with the Villans, can swiftly change depending on Emery’s rationale and whether or not certain players leave.
    — Jacob Tanswell, New York Times, 19 Aug. 2026
  • In my view, what separates successful leaders isn't their ability to adapt quickly in a swiftly changing environment.
    — Don Weber, Forbes.com, 18 Aug. 2026
Definition of swiftly
Adverb
  • The beginning of the fire was widely mistaken as a special effect put on by the pop group performing at the time, and the flames spread quicker than clubbers could realize what was happening.
    — Beatrice Loayza, Variety, 21 Aug. 2026
  • Copley agrees with this sentiment, noting that the scent of essential oils fades quicker if a room is too cold, drafty, or large.
    — Louise Parks, Martha Stewart, 21 Aug. 2026
Definition of quick
Adverb
  • His home could soon sit right next to one of the 200-foot-high-voltage transmission towers.
    — Joy Benedict, CBS News, 19 Aug. 2026
  • But the upward trajectory will surely end soon, and as teams become more familiar with the various routines, the specialist coaches must start to earn their money in the defensive penalty area.
    — George Edwards, New York Times, 18 Aug. 2026
Definition of soon
Adverb
  • As the outbreak spreads and kills people faster than any other outbreak of the disease in history, a major source of concern for monitoring efforts is miners constantly on the move and in hard-to-reach, unsafe territories.
    — ABC News, ABC News, 19 Aug. 2026
  • The river is particularly dangerous near Hazel Dell Parkway and 106th Street in Carmel, where fast-moving waters washed out a bridge, commissioners said.
    — John Tufts, IndyStar, 19 Aug. 2026
Definition of fast
Adverb
  • When concerns were raised about this contract, the Town took them seriously, reviewed the matter carefully, and acted promptly based on the findings.
    — Tammy Mutasa, CBS News, 21 Aug. 2026
  • As such, William promptly invaded, with Pope Alexander II on his side.
    — Margherita Bassi, Popular Science, 20 Aug. 2026
Definition of promptly
Adverb
  • Hansen’s attorney, who is with the Post-Conviction Justice Project at University of Southern California Gould School of Law, did not immediately respond to a request for comment Friday afternoon.
    — Teri Figueroa, San Diego Union-Tribune, 22 Aug. 2026
  • Dehqani said reconstruction work began immediately after the refinery was hit during the 12-day war between Iran and Israel in 2025.
    — Billy Stockwell, CNN Money, 22 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 23 Aug. 2026.

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