Definition of Post-haste:

  1. As soon as possible. For example, a team member might say that I need to finish the paperwork quickly, it is necessary!

  2. With speed or haste.

Synonyms of Post-haste

Without more ado, Swiftly, Right away, As soon as possible, Immediately, ASAP, As quickly as possible, Without delay, With all speed, Directly, Promptly, Speedily, Without further ado, Forthwith, Very quickly, Straight away, Quickly, At once

How to use Post-haste in a sentence?

  1. He will be going to England soon.

Meaning of Post-haste & Post-haste Definition