posthaste

American  

[pohst-heyst] / ˈpoʊstˈheɪst /

adverb

1. with the greatest possible speed or promptness.

   to come to a friend's aid posthaste.

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noun

1. Archaic. great haste.

posthaste British  

/ ˈpəʊstˈheɪst /

adverb

1. with great haste; as fast as possible

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noun

1. archaic great haste

posthaste Cultural  

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

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Etymology

Origin of posthaste

First recorded in 1530–40; post ³ + haste

Example Sentences

“I need Kendrick Stevens to report immediately to the principal’s office, posthaste. Please give Kendrick a hall pass and direct him this way. Thank you, and pardon the interruption.”

From Literature

“It would. Simon, I must find the admiral before he leaves. There is something I need to ask him. Will you escort me to the POEHO, posthaste? I have no doubt that that is where we will find him, for that is where all his business papers are, and I know he will not leave Ashton Place without them.”

From Literature

Mrs. Clarke, I am sorry to interrupt your chess game, but could you summon Jasper and have him at the ready to run a letter to the post, posthaste?”

From Literature

“Anora” fans must catch up with Manning Walker’s debut posthaste.

From Los Angeles Times

Unsurprisingly, the birds trashed the room, leaving tour manager John Courage to remove them posthaste.

From Salon