Back
Back adverb - Earlier than the present time.
Posteriorly and back are semantically related. In some cases you can use "Posteriorly" instead an adverb "Back".
Posteriorly
Cite this Source
Posteriorly and Back. (2016). Retrieved 2026, August 07, from https://thesaurus.plus/related/back/posteriorly
Back & Posteriorly. N.p., 2016. Web. 07 Aug. 2026. <https://thesaurus.plus/related/back/posteriorly>.
Posteriorly or Back. 2016. Accessed August 07, 2026. https://thesaurus.plus/related/back/posteriorly.
Google Ngram Viewer shows how "back" and "posteriorly" have occurred on timeline