ALL meanings of posthaste
post·haste
P p - adverb posthaste with the greatest possible speed or promptness: to come to a friend's aid posthaste. 1
- noun posthaste Archaic. great haste. 1
- adverb posthaste as quickly as possible 1
- adverb posthaste with great haste; as fast as possible 0
- noun posthaste great haste 0
- noun posthaste great haste, as of a postrider 0
- adverb posthaste with great haste 0