Fully and Fast

Fully

Fully adverb - To a full extent or degree.
Usage example: only with daybreak did we fully realize the extent of the damage from the storm

Fast and fully are semantically related. In some cases you can use "Fast" instead an adverb "Fully".

Nearby Word: full

Fast

Fast adverb - To a full extent or degree.
Usage example: everyone in camp was fast asleep within minutes of hitting the sack

Fully and fast are semantically related. Sometimes you can use "Fully" instead an adverb "Fast".

Nearby Words: fasted, fasting
Cite this Source
Fast and Fully. (2016). Retrieved 2026, August 02, from https://thesaurus.plus/related/fully/fast
Fully & Fast. N.p., 2016. Web. 02 Aug. 2026. <https://thesaurus.plus/related/fully/fast>.
Fast or Fully. 2016. Accessed August 02, 2026. https://thesaurus.plus/related/fully/fast.
Google Ngram Viewer shows how "fully" and "fast" have occurred on timeline