In a flash and Post-haste

In a flash

In a flash adverb - Without any delay.
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Synonyms for In a flash

Post-haste and in a flash are semantically related In some cases you can use "Post-haste" instead an adverb phrase "In a flash".

Post-haste

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

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