Fleetly and Instanter

Fleetly

Fleetly adverb - With great speed.

Instanter and fleetly are semantically related. In some cases you can use "Instanter" instead an adverb "Fleetly".

Instanter

Instanter adverb - Without delay.
Usage example: as soon as I had called out that answer, I instanter knew that it was wrong

Fleetly and instanter are semantically related. Sometimes you can use "Fleetly" instead an adverb "Instanter".
Cite this Source
Instanter and Fleetly. (2016). Retrieved 2026, August 15, from https://thesaurus.plus/related/fleetly/instanter
Fleetly & Instanter. N.p., 2016. Web. 15 Aug. 2026. <https://thesaurus.plus/related/fleetly/instanter>.
Instanter or Fleetly. 2016. Accessed August 15, 2026. https://thesaurus.plus/related/fleetly/instanter.
Google Ngram Viewer shows how "fleetly" and "instanter" have occurred on timeline