Fleetly
Fleetly adverb - With great speed.
Usage example: horses galloping fleetly across the plain
Speedily and fleetly are semantically related in fast topic. In some cases you can use "Speedily" instead an adverb "Fleetly", when it comes to topics like immediately, quickly, very fast, in the near future.
Mutual synonyms
Cite this Source
Speedily and Fleetly. (2016). Retrieved 2026, July 22, from https://thesaurus.plus/related/fleetly/speedily
Fleetly & Speedily. N.p., 2016. Web. 22 Jul. 2026. <https://thesaurus.plus/related/fleetly/speedily>.
Speedily or Fleetly. 2016. Accessed July 22, 2026. https://thesaurus.plus/related/fleetly/speedily.
Google Ngram Viewer shows how "fleetly" and "speedily" have occurred on timeline