Fleetly
Fleetly adverb - With great speed.
Usage example: horses galloping fleetly across the plain
Swiftly is a synonym for fleetly in fast topic. In some cases you can use "Swiftly" instead an adverb "Fleetly", when it comes to topics like immediately, quickly, speedily, very quickly. popular alternative
Mutual synonyms
Cite this Source
Swiftly and Fleetly. (2016). Retrieved 2026, August 11, from https://thesaurus.plus/related/fleetly/swiftly
Fleetly & Swiftly. N.p., 2016. Web. 11 Aug. 2026. <https://thesaurus.plus/related/fleetly/swiftly>.
Swiftly or Fleetly. 2016. Accessed August 11, 2026. https://thesaurus.plus/related/fleetly/swiftly.
Google Ngram Viewer shows how "fleetly" and "swiftly" have occurred on timeline