Bible Dictionaries
Posthaste

Webster's Dictionary

(1):

(adv.) With speed or expedition; as, he traveled posthaste; to send posthaste.

(2):

(n.) Haste or speed in traveling, like that of a post or courier.

Bibliography Information
Webster, Noah. Entry for 'Posthaste'. Noah Webster's American Dictionary. https://www.studylight.org/​dictionaries/​eng/​web/​p/posthaste.html. 1828.