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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Rice quickly replaced Parolin with Fielder and sophomore forward Dylan Andrews with sophomore forward Pearson Carmichael.—
Shaun Goodwin,
Idaho Statesman,
8 Jan. 2026 -
The video, narrated with dry sarcasm and visible exhaustion, quickly went viral.—
Ashley Vega,
PEOPLE,
8 Jan. 2026
Adverb
-
Travel conditions are expected to deteriorate rapidly once snow begins, and hazardous conditions could persist into Sunday morning before snow tapers off.—
Briana Waxman,
CNN Money,
30 Jan. 2026
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This primordial soup was composed of a plasma of particles called quarks and gluons that rapidly cooled, causing these two types of particles to fuse and create fundamental particles like protons and neutrons, which today sit at the heart of all atoms that make up the matter all around us.—
Robert Lea,
Space.com,
30 Jan. 2026
Adverb
-
Amid growing national fears about politically motivated violence and threats, Illinois lawmakers moved swiftly last fall to pass a sweeping statute allowing public officials to shield their personal information from public view.—
Jack O'Connor,
Chicago Tribune,
26 Jan. 2026
-
Current weekly outflows replicate the pattern seen in November 2025, when Bitcoin bottomed around $80,000 before swiftly recovering above $90,000.—
Trefis Team,
Forbes.com,
26 Jan. 2026
Adverb
-
Arc’teryx’s running and trail running gear is breathable, lightweight, and quick-drying across the board.—
Kristen Geil,
Outside,
27 Jan. 2026
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The upholstery is also quick-drying and won’t absorb dirt and accidental spills.—
Audrey Lee,
Architectural Digest,
27 Jan. 2026
Adverb
-
Debe's friend Christy Knapp testified to an encounter with Bob at his house, soon after Debe moved out.—
Sarah Prior,
CBS News,
25 Jan. 2026
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Three technologies—horizontal drilling, injection of light hydrocarbon liquids to mobilize the oil, and use of progressive cavity pumps (inserted into a well to force the oil upwards)—were pivotal, first introduced in the 1990s and becoming widespread soon after.—
Scott Montgomery,
Forbes.com,
25 Jan. 2026
Adverb
-
Google is rolling out major updates to Gemini in Chrome, turning the browser into an AI-powered assistant designed to help users multitask, browse faster, and complete complex online tasks with less effort.—
Neetika Walter,
Interesting Engineering,
29 Jan. 2026
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That helped end the war faster.—
Fiction Non Fiction,
Literary Hub,
29 Jan. 2026
Adverb
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When my mother was reunited with Aggie, my sister (a millennial, of course) filmed it and promptly posted the short clip to TikTok.—
Peter Kiefer,
HollywoodReporter,
7 Jan. 2026
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Holevich adds that cleaning these surfaces promptly will help prevent long-term staining and lingering odors.—
Kate Van Pelt,
The Spruce,
7 Jan. 2026
Adverb
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Officers immediately tackled and arrested Kazmierczak, who was jailed on a preliminary third-degree assault charge, police spokesperson Trevor Folke said.—
Arkansas Online,
Arkansas Online,
29 Jan. 2026
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Instead of waiting for her director to share the data, Amber replied immediately to these emails.—
Chris Lipp,
Forbes.com,
29 Jan. 2026
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Cite this Entry
“Posthaste.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/posthaste. Accessed 1 Feb. 2026.
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