Synonyms for posthaste
- at once
- breakneck
- directly
- double-quick
- expeditious
- flat-out
- fleet
- fleetly
- full tilt
- hastily
- hasty
- headlong
- lickety-split
- pell-mell
- promptly
- pronto
- quick
- quickly
- rapid
- rapidly
- speedily
- speedy
- straightaway
- swift
- swiftly
MOST RELEVANT
fast
adjective. speedy
- PDQ
- accelerated
- active
- agile
- blue streak
- breakneck
- brisk
- chop-chop
- dashing
- double-time
- electric
- expeditious
- expeditive
- flashing
- fleet
- fleeting
- flying
- hairtrigger
- hasty
- hot
- hurried
- hypersonic
- in a jiffy
- in nothing flat
- lickety split
- like a bat out of hell
- like all get out
- like crazy
- like mad
- nimble
- on the double
- posthaste
- presto
- pronto
- quick
- racing
- rapid
- ready
- screamin'
- snap
- snappy
- speedball
- supersonic
- swift
- velocious
- winged
faster
adverb. speedily
faster
adjective. speedy
- PDQ
- accelerated
- active
- agile
- blue streak
- breakneck
- brisk
- chop-chop
- dashing
- double-time
- electric
- expeditious
- expeditive
- flashing
- fleet
- fleeting
- flying
- hairtrigger
- hasty
- hot
- hurried
- hypersonic
- in a jiffy
- in nothing flat
- lickety split
- like a bat out of hell
- like all get out
- like crazy
- like mad
- nimble
- on the double
- posthaste
- presto
- pronto
- quick
- racing
- rapid
- ready
- screamin'
- snap
- snappy
- speedball
- supersonic
- swift
- velocious
- winged
fastest
adjective. speedy
- PDQ
- accelerated
- active
- agile
- blue streak
- breakneck
- brisk
- chop-chop
- dashing
- double-time
- electric
- expeditious
- expeditive
- flashing
- fleet
- fleeting
- flying
- hairtrigger
- hasty
- hot
- hurried
- hypersonic
- in a jiffy
- in nothing flat
- lickety split
- like a bat out of hell
- like all get out
- like crazy
- like mad
- nimble
- on the double
- posthaste
- presto
- pronto
- quick
- racing
- rapid
- ready
- screamin'
- snap
- snappy
- speedball
- supersonic
- swift
- velocious
- winged
Roget's 21st Century Thesaurus, Third Edition Copyright © 2013 by the
Philip Lief Group.