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
  • As rain falls on the dry, arid slopes in the region, large volumes of water can quickly flow into creeks and waterways.
    — Janet Loehrke, USA Today, 1 Sep. 2026
  • Just days later, Kelce was photographed traveling with the same dog, and online sleuths quickly connected the pup to an April 2026 video clip of a similar dog jumping into one of Swift’s cars.
    — Allison DeGrushe, StyleCaster, 1 Sep. 2026
Definition of quickly
Adverb
  • Memory is crucial for effective leadership, as the role often demands absorbing information rapidly and recalling the right details at critical moments.
    — Julian Hayes II, Forbes.com, 29 Aug. 2026
  • Starship is the biggest and most powerful rocket ever built, and both Super Heavy and Ship are designed to be fully and rapidly reusable.
    — Mike Wall, Space.com, 29 Aug. 2026
Definition of rapidly
Adverb
  • Gordon was completed swiftly, earning Newcastle more money than anticipated (with €70m benchmarked).
    — George Caulkin, New York Times, 2 Sep. 2026
  • Countries, corporations, and organizations of all kinds would swiftly lose internal trust.
    — Finn Brunton, Harpers Magazine, 1 Sep. 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
  • Those hoping the Iran war ends soon currently face disappointment.
    — Anniek Bao, CNBC, 2 Sep. 2026
  • This was prompted by Moises Caicedo’s fitness — deemed unable to appear against Fulham and coming on late against Brighton before hobbling off again soon after.
    — Jon Mackenzie, New York Times, 1 Sep. 2026
Definition of soon
Adverb
  • Scientists found that moving fluoride ions helps a solid electrolyte move lithium faster, reaching record conductivity.
    — Neetika Walter, Interesting Engineering, 2 Sep. 2026
  • My mom’s longtime favorite flip-flops have a super impressive discount today, so act fast to snap them up before summer officially comes to a close.
    — Clara McMahon, PEOPLE, 2 Sep. 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 2 Sep. 2026.

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