posthaste

[ pohst-heyst ]

adverb

1. with the greatest possible speed or promptness:

   to come to a friend's aid posthaste.

noun

1. Archaic. great haste.

posthaste

/ ˈpəʊstˈheɪst /

adverb

1. with great haste; as fast as possible

noun

1. archaic.
   great haste

posthaste

1. Immediately, with great speed: “Get the flood warning to the media posthaste.”

Word History and Origins

Origin of posthaste¹

First recorded in 1530–40; post ³ + haste

Example Sentences

Ms. Swain, a distinguished senior fellow at the Institute for Faith and Culture, offered Thursday some “free unsolicited advice” for Harvard, a list that included “Fire Claudine Gay posthaste.”

From Washington Times

“With Israel under attack, Iran fomenting terror, a ground war in Europe, inflation devouring the incomes of working families, the imminent need to pass a spending plan, and our southern border overrun by illegal crossings and an unprecedented humanitarian crisis, this is no time for paralysis on Capitol Hill. Republicans need to unite behind Rep. Scalise so they can address the critical issues facing American families and our longtime allies. We strongly urge Republicans to vote posthaste to make Steve Scalise the next House speaker,” the two faith leaders advised.

From Washington Times

Smith will provide all discovery materials in the Jan. 6 case posthaste, as he did in the Mar-a-Lago case.

From Slate

If you were taken by Donnie Yen’s electrifying supporting turn in “John Wick: Chapter 4,” well, add this one to your queue posthaste.

From New York Times

Grandpa had a bad fall, and his shrewish second wife wants him carted off to a nursing home posthaste.

From Washington Post