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
Adverb
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Chris Tanouye / Getty Images Head coach Karl Smesko said the key was how quickly his team adjusted after a shaky first quarter.—
Christopher Harris,
CBS News,
15 June 2026 -
Potted lavender also will dry out more quickly than those growing in beds.—
Arricca Elin SanSone,
Southern Living,
14 June 2026
Adverb
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Australian Transport Safety Bureau The pilot, unaware of what had happened, felt the aircraft suddenly pitch up, and noticed the airspeed rapidly decreasing.—
Mithil Aggarwal,
NBC news,
12 Dec. 2025
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Inserra said the signals changed rapidly rather than remaining steady, noting that the team could not tie those variations to the normal energy flows around the black hole.—
Aamir Khollam,
Interesting Engineering,
11 Dec. 2025
Adverb
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Bilton swiftly fired Pelley, but failed to silence him.—
The Week US,
TheWeek,
15 June 2026
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Even 6 inches of swiftly moving water can forcefully knock you off your feet.—
CA Weather Bot,
Sacbee.com,
15 June 2026
Adverb
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The sweat-wicking and quick-drying fabric is ideal for adventurous travels.—
Paige Bennett,
Better Homes & Gardens,
10 June 2026
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However, the decision-making needs to improve, becoming a half second quicker.—
Omar Kelly,
Miami Herald,
9 June 2026
Adverb
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Ukraine will not gain anything by waiting to negotiate from a hypothetical future position of strength; such a position will not come soon, if ever.—
Thomas Graham,
Foreign Affairs,
10 Dec. 2025
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Similar hardware has flown on missions to Mercury, Mars, Pluto, Titan, and soon Jupiter’s moon Europa.—
Neetika Walter,
Interesting Engineering,
10 Dec. 2025
Adverb
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And in a fast-growing region like Charlotte, advocates say those pressures are only likely to intensify if the gap between supply and demand continues to widen.—
Théoden Janes,
Charlotte Observer,
11 June 2026
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Brown told them to play faster, move the ball more, keep the floor spaced out.—
Hannah Keyser,
CNN Money,
11 June 2026
Adverb
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The only close call was a foul ball down the left-field line by Meidroth with two outs in the fifth before Meidroth promptly struck out.—
Paul Sullivan,
Chicago Tribune,
14 June 2026
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While uncommon, infant botulism can quickly become life-threatening if not recognized and treated promptly.—
Victoria Forster,
Forbes.com,
14 June 2026
Adverb
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Coach Rachel Monroe called a timeout to try to set up one last offensive opportunity, but Hagan immediately forced a turnover off the restart whistle, and the Timberwolves held possession for the final moments before the team sprinted towards goalie Lila Zahurak to celebrate.—
Matt Goisman,
Boston Herald,
11 June 2026
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Representatives for Tarek and Heather didn't immediately respond to Fox News Digital's request for comment.—
Tracy Wright,
FOXNews.com,
11 June 2026
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Cite this Entry
“Posthaste.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/posthaste. Accessed 18 Jun. 2026.
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