Fast
Fast adverb - With great speed.
Gruellingly and fast are semantically related. In some cases you can use "Gruellingly" instead an adverb "Fast".
Gruellingly
Fast and gruellingly are semantically related. Sometimes you can use "Fast" instead an adverb "Gruellingly".
Mutual synonyms
Cite this Source
Gruellingly and Fast. (2016). Retrieved 2026, August 08, from https://thesaurus.plus/related/fast/gruellingly
Fast & Gruellingly. N.p., 2016. Web. 08 Aug. 2026. <https://thesaurus.plus/related/fast/gruellingly>.
Gruellingly or Fast. 2016. Accessed August 08, 2026. https://thesaurus.plus/related/fast/gruellingly.
Google Ngram Viewer shows how "fast" and "gruellingly" have occurred on timeline