Posthaste Definition

pōsthāst
adverb
With great haste.
Webster's New World
Antonyms:
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noun
Great haste, as of a postrider.
Webster's New World

Alternative spelling of post-haste.

Wiktionary
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Origin of Posthaste

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

    From Wiktionary

  • From the phrase haste, post, haste a direction on letters

    From American Heritage Dictionary of the English Language, 5th Edition

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