Meaning & use
post-haste
With great speed and urgency, allowing no delay whatsoever in getting something done.
See it in a sentence
Once the fire alarm sounded, everyone left the building post-haste.
The general ordered reinforcements to be sent post-haste to the besieged fort.
A note on using this word
Post-haste sounds old-fashioned today and comes from the historical practice of relaying urgent mail by post-horses.
Words with a similar meaning
speedilyimmediately
Choose a synonym to suit the sentence. Meanings can overlap without being identical.
Words with an opposite meaning
leisurely
Make it your own
Write a sentence using “post-haste”, then compare your use with the examples above.
Your draft stays on this page and is not sent anywhere.