posthaste
with the greatest possible speed or promptness: to come to a friend's aid posthaste.
Archaic. great haste.
Origin of posthaste
1Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
How to use posthaste in a sentence
It's not for nothing that we dispatched an elite group of Marines to Bengazi post haste.
The Danger for Obama and a Question for You All | Michael Tomasky | September 13, 2012 | THE DAILY BEASTI fled post-haste, and shall go straight to Sasha without stopping at Milan.
The Life & Letters of Peter Ilich Tchaikovsky | Modeste TchaikovskyThe next day I went to Shilovsky, who is now working post-haste at my sketch.
The Life & Letters of Peter Ilich Tchaikovsky | Modeste TchaikovskySir Henry, who had heard about the offer from H., who is an intimate friend of his, came up post haste from Scotland.
Passing By | Maurice BaringDo you mean to go post-haste to the devil, gentlemen, by proposing that I should write such a sonata?
Beethoven's Letters 1790-1826, Volume 1 of 2 | Lady Wallace
The man says, that his Lordship was so bad when he came away, that the family began to talk of sending for me in post haste.
Clarissa, Volume 6 (of 9) | Samuel Richardson
British Dictionary definitions for posthaste
/ (ˈpəʊstˈheɪst) /
with great haste; as fast as possible
archaic great haste
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Cultural definitions for posthaste
[ (pohst-hayst) ]
Immediately, with great speed: “Get the flood warning to the media posthaste.”
The New Dictionary of Cultural Literacy, Third Edition Copyright © 2005 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
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