Posthaste

Pronunciation

• RP IPA: /ËŒpəʊstˈheɪst/
• US IPA: /ËŒpoÊŠstˈheɪst/

Alternative forms

• post-haste, post haste

Origin

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

Full definition of posthaste

Adverb

1. quickly, as fast as someone travelling post; with great speedIt is imperative that you finish your task posthaste.
• 1946 — Paramahansa Yogananda, , Ch. 17"Sasi cannot last through the night." These words from his physician, and the spectacle of my friend, now reduced almost to a skeleton, sent me posthaste to Serampore.

Synonyms

• (quickly) ASAP, quickly

Noun

1. Alternative spelling of post-haste
• 1602 : by William Shakespeare, act 1 scene 1 l 103-106''"And this, I take it,''Is the main motive of our preparations''The source of this our watch, and the chief headOf this post-haste and rummage in the land."