Forevermore and Once

Forevermore

Forevermore adverb - For all time.
Usage example: a hero that will be praised forevermore for his great deeds

Once is an antonym for forevermore.

Once

Once adverb - At an earlier or previous time.

Forevermore is an antonym for once.
Cite this Source
Once and Forevermore. (2016). Retrieved 2026, August 15, from https://thesaurus.plus/related/forevermore/once
Forevermore & Once. N.p., 2016. Web. 15 Aug. 2026. <https://thesaurus.plus/related/forevermore/once>.
Once or Forevermore. 2016. Accessed August 15, 2026. https://thesaurus.plus/related/forevermore/once.
Google Ngram Viewer shows how "forevermore" and "once" have occurred on timeline