Posterior
Posterior adjective - Being at or in the part of something opposite the front part.
Retroactive and posterior are semantically related In some cases you can use "Retroactive" instead an adjective "Posterior".
Nearby Words: posteriority, posteriorly
Retroactive
Retroactive adjective - Affecting things past.
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Synonyms for Retroactive
Posterior and retroactive are semantically related in after the fact topic. You can use "Posterior" instead an adjective "Retroactive".
Nearby Words: retroaction, retroactively
Mutual synonyms
Cite this Source
Retroactive and Posterior. (2016). Retrieved 2026, August 08, from https://thesaurus.plus/related/posterior/retroactive
Posterior & Retroactive. N.p., 2016. Web. 08 Aug. 2026. <https://thesaurus.plus/related/posterior/retroactive>.
Retroactive or Posterior. 2016. Accessed August 08, 2026. https://thesaurus.plus/related/posterior/retroactive.
Google Ngram Viewer shows how "posterior" and "retroactive" have occurred on timeline