On
On adverb - Toward a point ahead in space or time.
Perpetually and on are semantically related. In some cases you can use "Perpetually" instead an adverb "On".
Perpetually
Perpetually adverb - For all time.
On and perpetually are semantically related. Sometimes you can use "On" instead an adverb "Perpetually".
Mutual synonyms
Cite this Source
Perpetually and On. (2016). Retrieved 2026, July 22, from https://thesaurus.plus/related/on/perpetually
On & Perpetually. N.p., 2016. Web. 22 Jul. 2026. <https://thesaurus.plus/related/on/perpetually>.
Perpetually or On. 2016. Accessed July 22, 2026. https://thesaurus.plus/related/on/perpetually.
Google Ngram Viewer shows how "on" and "perpetually" have occurred on timeline