posthaste in English
- posthaste⇄adj. (Archaic.) done in great haste; very speedy.
Ex. The Duke ... requires your haste, post-haste appearance, even on the instant (Shakespeare). - posthaste⇄adv. very speedily; in great haste.
Ex. This ... brought Mr. Beaulieu Plummer posthaste from the estate office up to the house (H. G. Wells). - posthaste⇄noun (Archaic.) haste or speed like that of a messenger; great speed.
Ex. Norfolk and myself, In haste, post-haste, are come to join with you (Shakespeare). - posthaste⇄posthaste, adverb, adjective, noun.