First Known Use: 1545
Dictionary
1posthaste
noun post·haste \ˈpōst-ˈhāst\
Definition of POSTHASTE
archaic : great haste
ADVERTISEMENT
Origin of POSTHASTE
3post
Rhymes with POSTHASTE
2posthaste
adverb
: very quickly : with great speed
Full Definition of POSTHASTE
: with all possible speed
See posthaste defined for English-language learners
See posthaste defined for kids
First Known Use of POSTHASTE
1569
3posthaste
adjective
Definition of POSTHASTE
obsoleteFirst Known Use of POSTHASTE
1604
Learn More About POSTHASTE
Browse
Next Word in the Dictionary: postheatingPrevious Word in the Dictionary: postgraduate All Words Near: posthaste
ADVERTISEMENT
Seen & Heard
What made you want to look up posthaste? Please tell us where you read or heard it (including the quote, if possible).