post haste

With utmost speed

Post haste means with great speed or urgency, as quickly as possible.

The phrase comes from instructions written on letters requiring swift delivery by postal riders.

Now it simply emphasizes urgency: The documents were sent post haste.

Often spelled posthaste as a single word.

urgency

immediately

Without any pause

ASAP · stat · pronto · expedite · rush · pressing · urgent · critical · deadline · time-sensitive

speed

swift

Moving with speed

  • rapidMoving with haste
  • fastSpeedy, or skip eating
  • speedyCharacterized by quickness

quick · fleet · accelerated · expeditious · brisk · lightning · meteoric · breakneck · headlong · precipitate

archaic

dispatch

Send with speed

gallop · pony express · stagecoach · telegram · telegraph · relay · bearer · envoy · herald · fleet-footed

Opposites
speed/urgency

post hasteslowly

At reduced speed

leisurely · at a snail's pace · unhurriedly · gradually · sluggishly

deliberation/carefulness

post hastedeliberately

Done with intention

carefully · methodically · cautiously · thoughtfully · painstakingly

Family

post, haste, posts, posted, posting, postal, postage, poster, hasten

Familiarity
Top 200,000
Profile
Used worldwide · Timeless · Abstract · Everyday, not technical · Rated G