Synonyms of post-haste in English:

post-haste

adverb

  • he departed post-haste for Venice
    as quickly as possible, without delay, (very) quickly, speedily, swiftly, without further/more ado, with all speed, promptly, immediately, at once, straight away, right away, directly, forthwith
    informal double quick, p.d.q. (pretty damn quick), pronto, before you can say Jack Robinson, straight off
  • Definition of post-haste in:

    Get more from Oxford Dictionaries

    Subscribe to remove adverts and access premium resources

    Word of the day meretricious
    Pronunciation: ˌmɛrɪˈtrɪʃəs
    adjective
    apparently attractive but having no real value...