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

Louis not just winning, but Max Schmeling being transported to the hospital posthaste.

From Freakonomics

In this, the smart Republican response is self-evident: Get behind a comprehensive reform bill posthaste.

From The Daily Beast

By the hand of my groom, Robert Wilmay, who hath it in charge to ride posthaste.

From Project Gutenberg

Stroble thereupon sent posthaste to his supporters for more cash, and efforts were made to get the stubborn Senate to reconsider.

From Project Gutenberg

Had he but known the agony of spirit his daughter was experiencing he would have returned posthaste to Philadelphia.

From Project Gutenberg

The Rangers had brought in word that Lvis was coming posthaste to Montcalm's aid.

From Project Gutenberg

These words from his physician, and the spectacle of my friend, now reduced almost to a skeleton, sent me posthaste to Serampore.

From Project Gutenberg