posthaste

adverb

Definition of posthastenext
as in quickly
with great speed ran posthaste for the doctor

Synonyms & Similar Words

Relevance

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
  • Milošević, in her UFC debut, earned a $100,000 performance bonus for her dominant victory, quickly setting her sights on future fights in the 135-pound division.
    — Brian Mazique, Forbes.com, 5 Aug. 2026
  • However, prison staff quickly intervened and separated both men, the outlet stated.
    — Angel Saunders, PEOPLE, 5 Aug. 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
  • The retailer has been swiftly building on its in-house beauty offer with the addition of third-party brands and services such as skin and makeup consultations.
    — Samantha Conti, Footwear News, 4 Aug. 2026
  • Create psychological safety by addressing retaliation swiftly.
    — Expert Panel®, Forbes.com, 4 Aug. 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
  • On Tuesday, Art Week NYC, the soon-to-launch annual citywide celebration of contemporary art presented by ARTnews, Art in America, and Artforum, announced the galleries participating in its gallery program.
    — Harrison Jacobs, ARTnews.com, 4 Aug. 2026
  • There is zero pressure on this team from a fan base whose attention span, and passion, will soon be distracted by the arrival of another football season.
    — Fort Worth Star-Telegram, Fort Worth Star-Telegram, 4 Aug. 2026
Definition of soon
Adverb
  • The question is whether the cultural infrastructure will follow the physical one fast enough.
    — Vibhas Ratanjee, Forbes.com, 5 Aug. 2026
  • Improving soil with compost or other organic matter before planting crepe myrtles helps plants settle in faster.
    — Lauren Landers, The Spruce, 4 Aug. 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
See all Nearby Words

Podcast

Theme music by Joshua Stamper ©2006 New Jerusalem Music/ASCAP

Cite this Entry

“Posthaste.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/posthaste. Accessed 5 Aug. 2026.

Copy Citation
Last Updated: - Updated example sentences
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!

Popular in Grammar & Usage

See More

7 Pairs of Commonly Confused Words

Merriam-Webster’s Great Big List of Words You Love to Hate

Is it 'nerve-racking' or 'nerve-wracking'?

'Sneaked' or 'Snuck': Which is correct?

Why does English have so many silent letters?
See More

Popular in Wordplay

See More

Dutch Treat and French Leave: Eight Place-Based Compounds

14 Phobias You Probably Haven't Heard Of

The Longest Long Words List

How long is a jiffy?

Even More Bird Names that Sound Like Insults (and Sometimes Are)
See More

Popular

See More

7 Pairs of Commonly Confused Words

Dutch Treat and French Leave: Eight Place-Based Compounds

14 Phobias You Probably Haven't Heard Of
See More

Games & Quizzes

See All
Play Quordle: Guess all four words in a limited number of tries. Each of your guesses must be a real 5-letter word.
Quordle Can you solve 4 words at once?
Play Blossom: Solve today's spelling word game by finding as many words as you can using just 7 letters. Longer words score more points.
Blossom Pick the best words!
Play Missing Letter: a crossword with a twist. Each of the 25 puzzle words start with a different letter of the alphabet. Which letter is missing?
The Missing Letter A daily crossword with a twist
asap street sign
Figure Out These Acronyms ASAP You don't have to be a NASA engineer to get these...
See All