post haste

Speech parts

1. post haste - Noun

2. post haste - Adverb

as fast as possible; with all possible haste

Source: WordNet

post-haste

quickly asap now soon directly immediately rapidly FAST instantly promptly abruptly swiftly right away speedily headlong

Show all synonyms

later eventually heavily slow gradually slowly

Show all antonyms

send it to me post-haste Source: Internet