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