Post-haste

//ˌpəʊstˈheɪst// adv, noun

adv, noun ·Rare ·Advanced level

Definitions

Noun
  1. 1
    A great hurry. uncountable

    "And this, I take it, Is the main motive of our preparations The source of this our watch, and the chief head Of this post-haste and rummage in the land."

Adverb
  1. 1
    Alternative spelling of posthaste. alt-of, alternative, not-comparable
Adverb
  1. 1
    as fast as possible; with all possible haste wordnet

Synonyms

All synonyms
asappromptquickly

Example

More examples

"And this, I take it, Is the main motive of our preparations The source of this our watch, and the chief head Of this post-haste and rummage in the land."

Etymology

From the former instruction on letters "haste, post, haste," later reinterpreted as a compound of post + haste.

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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.