At that instant
Swiftly and at that instant are semantically related. In some cases you can use "Swiftly" instead an adverb phrase "At that instant".
Swiftly
Swiftly adverb - With great speed.
At that instant and swiftly are semantically related. Sometimes you can use "At that instant" instead an adverb "Swiftly".
Mutual synonyms
Cite this Source
Swiftly and At that instant. (2016). Retrieved 2026, August 02, from https://thesaurus.plus/related/at_that_instant/swiftly
At that instant & Swiftly. N.p., 2016. Web. 02 Aug. 2026. <https://thesaurus.plus/related/at_that_instant/swiftly>.
Swiftly or At that instant. 2016. Accessed August 02, 2026. https://thesaurus.plus/related/at_that_instant/swiftly.