Ahead and On

Ahead

Ahead adverb - Toward a point ahead in space or time.
Usage example: sent me ahead to get a place in the check-out line while she went to get the eggs and milk

On is a synonym for ahead in movement topic. In some cases you can use "On" instead an adverb "Ahead", when it comes to topics like in front, onwards, in front or advance of.

On

On adverb - Toward a point ahead in space or time.
Usage example: we really must move on now if we're going to end this meeting before midnight

Ahead is a synonym for on in movement topic. You can use "Ahead" instead an adverb "On".
Cite this Source
On and Ahead. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/ahead/on
Ahead & On. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/ahead/on>.
On or Ahead. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/ahead/on.
Google Ngram Viewer shows how "ahead" and "on" have occurred on timeline