Word.ws English Dictionary

post haste

post haste is the alternative form of posthaste.

Meaning of posthaste

Adverb

posthaste (not comparable)

  1. (dated, formal) Quickly, as fast as someone travelling post; with great speed.
    • It is imperative that you finish your task posthaste.
    Synonyms:
    ASAP, quickly

Questions about post haste

What is post haste the alternative form of?
Post haste is the alternative form of posthaste.

Words near post haste in the dictionary

  1. post game
  2. post games
  3. Post Gazette
  4. post hanger
  5. post hangers
  6. post haste
  7. post hoc
  8. post hocs
  9. post horn
  10. post horns
  11. post horse

Source and license

Adapted from Wiktionary: post haste (page history and authors); posthaste (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

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Cite this entry: “post haste.” Word.ws, https://word.ws/post_haste. Based on Wiktionary, CC BY-SA 4.0.