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
-
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 -
Tornadoes can develop quickly from severe thunderstorms.—
KANSAS CITY STAR WEATHER BOT,
Kansas City Star,
14 June 2026
Adverb
-
Both warm water and sunlight can cause algae to rapidly multiply, according to the Centers for Disease Control and Prevention.—
Dinah Voyles Pulver,
USA Today,
20 June 2026
-
Now, an inquiry into why a B-52 Stratofortress crashed Monday shortly after takeoff at Edwards Air Fore Base, killing eight, is renewing questions about the 70-year-old planes, their purpose in the rapidly modernizing military landscape and their future.—
Los Angeles Times,
Los Angeles Times,
19 June 2026
Adverb
-
Bilton swiftly fired Pelley, but failed to silence him.—
The Week US,
TheWeek,
15 June 2026
-
Even 6 inches of swiftly moving water can forcefully knock you off your feet.—
CA Weather Bot,
Sacbee.com,
15 June 2026
Adverb
-
However, analysts at Citi believe trade flows through the critical waterway will resume quicker than previously anticipated.—
Deena Zaidi,
CNBC,
16 June 2026
-
This aided Toyota’s race as its cars gained time, then got quicker again compared to its rivals as the temperatures rose.—
Alex Kalinauckas,
New York Times,
14 June 2026
Adverb
-
The deeper the water, the sooner a vehicle loses traction on the road.—
KANSAS CITY STAR WEATHER BOT,
Kansas City Star,
14 June 2026
-
The only time Team USA managed to put the ball in the net sooner was in 2002 against Portugal (29th minute) and in a 1930 meeting with Paraguay (15th minute).—
Jackson Thompson,
FOXNews.com,
13 June 2026
Adverb
-
To make matters worse, microbiome testing has gotten cheaper and faster, but not more accurate.—
Ryan Brennan,
Fort Worth Star-Telegram,
17 June 2026
-
But this case shows that assumption can fall apart fast.—
Kurt Knutsson,
FOXNews.com,
17 June 2026
Adverb
-
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
-
While uncommon, infant botulism can quickly become life-threatening if not recognized and treated promptly.—
Victoria Forster,
Forbes.com,
14 June 2026
Adverb
-
The company, which aired the UFC event live in theaters, did not immediately respond to an inquiry from USA TODAY.—
Marc Ramirez,
USA Today,
18 June 2026
-
White was arrested a few days later and charged with assault for allegedly slapping Kyng in February 2025 after Kyng urinated on himself, but charges related to the child's death were not immediately filed.—
Katie Houlis,
CBS News,
18 June 2026
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.
Cite this Entry
“Posthaste.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/posthaste. Accessed 21 Jun. 2026.
Copy CitationLove words? Need even more definitions?
Merriam-Webster unabridged
