Definition of post-haste in English:

post-haste

Line breaks: post-haste

adverb

Origin

mid 16th century: from the direction ‘haste, post, haste’, formerly given on letters.

More definitions of post-haste

Definition of post-haste in:

Get more from Oxford Dictionaries

Subscribe to remove adverts and access premium resources

Word of the day astrogation
Pronunciation: ˌastrə(ʊ)ˈgeɪʃ(ə)n
noun
(in science fiction) navigation in outer space