Fast
Fast adverb - With great speed.
Fleetingly and fast are semantically related. In some cases you can replace term "Fleetingly" with "Fast", this adverbs are similar.
Fleetingly
Fast and fleetingly are semantically related. Sometimes you can use "Fast" instead an adverb "Fleetingly".
Cite this Source
Fleetingly and Fast. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/fast/fleetingly
Fast & Fleetingly. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/fast/fleetingly>.
Fleetingly or Fast. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/fast/fleetingly.
Google Ngram Viewer shows how "fast" and "fleetingly" have occurred on timeline