On a whim and Posthaste

On a whim

Definitions of On a whim not found.

Posthaste and on a whim are semantically related. In some cases you can use "Posthaste" instead an adverb phrase "On a whim".

Posthaste

Posthaste adverb - With great speed.

On a whim and posthaste are semantically related. You can use "On a whim" instead an adverb "Posthaste".
Cite this Source
Posthaste and On a whim. (2016). Retrieved 2026, August 01, from https://thesaurus.plus/related/on_a_whim/posthaste
On a whim & Posthaste. N.p., 2016. Web. 01 Aug. 2026. <https://thesaurus.plus/related/on_a_whim/posthaste>.
Posthaste or On a whim. 2016. Accessed August 01, 2026. https://thesaurus.plus/related/on_a_whim/posthaste.