In Post Haste Meaning?

: great haste. posthaste. adverb. Definition of posthaste (Entry 2 of 3) : with all possible speed.

What does post mean in post haste?

In the 16th century, "haste, post, haste" was used to inform couriers (also called posts) that a letter was urgent. Post-haste later came to mean great promptness and speed for any purpose, and was used in phrases like in post-haste and in all post-haste.

How do you use posthaste in a sentence?

How to use posthaste in a sentence. The Rangers had brought in word that Lvis was coming posthaste to Montcalm's aid. These words from his physician, and the spectacle of my friend, now reduced almost to a skeleton, sent me posthaste to Serampore.