On the instant
Posthaste and on the instant are semantically related. In some cases you can use "Posthaste" instead an adverb phrase "On the instant".
Posthaste
Posthaste adverb - With great speed.
On the instant and posthaste are semantically related. You can use "On the instant" instead an adverb "Posthaste".
Mutual synonyms
Related pairs
- immediately and on the instant
- immediately and posthaste
- directly and on the instant
- directly and posthaste
- straight away and on the instant
- straight away and posthaste
- quickly and on the instant
- quickly and posthaste
- expeditiously and on the instant
- expeditiously and posthaste
- speedily and on the instant
- speedily and posthaste
- swiftly and on the instant
- swiftly and posthaste
Cite this Source
Posthaste and On the instant. (2016). Retrieved 2026, August 01, from https://thesaurus.plus/related/on_the_instant/posthaste
On the instant & Posthaste. N.p., 2016. Web. 01 Aug. 2026. <https://thesaurus.plus/related/on_the_instant/posthaste>.
Posthaste or On the instant. 2016. Accessed August 01, 2026. https://thesaurus.plus/related/on_the_instant/posthaste.