Early and Post-haste

Early

Early adverb - Before the usual or expected time.

Post-haste and early are semantically related In some cases you can replace phrase "Post-haste" with "Early", this terms are similar.

Post-haste

Post-haste adverb - As fast as possible; with all possible haste.

Early and post-haste are semantically related in in the near future topic. Sometimes you can use "Early" instead an adverb phrase "Post-haste".
Cite this Source
Post-haste and Early. (2016). Retrieved 2026, August 10, from https://thesaurus.plus/related/early/post-haste
Early & Post-haste. N.p., 2016. Web. 10 Aug. 2026. <https://thesaurus.plus/related/early/post-haste>.
Post-haste or Early. 2016. Accessed August 10, 2026. https://thesaurus.plus/related/early/post-haste.