Synonyms & related words for posthaste

Find synonyms, related words, and the definition of posthaste — including promptly, speedily, expeditiously, quickly, swiftly, hastily. Dendril is a free visual thesaurus that shows them on an interactive map where stronger matches sit closer to the center — no signup, no ads.

Words related to posthaste

Explore words related to posthaste — words associated with it, words that go with it, and its nearest matches in meaning. Related words include pronto, forthwith, haste, immediately, instanter, fleetly, hurry, straightway. Click any word to make it the center of the map and keep exploring the web of connections.

Synonyms for posthaste

Common synonyms for posthaste include promptly, speedily, expeditiously, quickly, swiftly, hastily, expeditious, apace — words that share a close meaning. Hover or tap any word on the map for its definition and part of speech.

Where does posthaste come from?

The word posthaste breaks down into one root of Latin origin: the root post-, from Latin post (“after, behind”). Explore each root to see other English words built from the same source.