posthaste

[pohst-heyst] / ˈpoʊstˈheɪst /

ADJECTIVE

fast

Synonyms

WEAK

at once breakneck directly double-quick expeditious flat-out fleet fleetly full tilt hastily hasty headlong lickety-split pell-mell promptly pronto quick quickly rapid rapidly speedily speedy straightaway swift swiftly

ADVERB

fast

Synonyms

WEAK

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

posthaste

“Anora” fans must catch up with Manning Walker’s debut posthaste.

From Los Angeles Times ● Feb. 26, 2025

Unsurprisingly, the birds trashed the room, leaving tour manager John Courage to remove them posthaste.

From Salon ● Dec. 22, 2024

But part of the job of Rizzo and his staff is to find players who will help this process posthaste.

From Washington Post ● May 24, 2022

If he does, you tell on him posthaste.

From Slate ● Aug. 26, 2020

Obviously you need to get back to Redwall posthaste.

From "Redwall" by Brian Jacques