Adult years
Prime and adult years are semantically related. In some cases you can use "Prime" instead a noun phrase "Adult years".
Prime
Prime noun - A state or time of great activity, thriving, or achievement.
Mutual synonyms
Cite this Source
Prime and Adult years. (2016). Retrieved 2026, August 03, from https://thesaurus.plus/related/adult_years/prime
Adult years & Prime. N.p., 2016. Web. 03 Aug. 2026. <https://thesaurus.plus/related/adult_years/prime>.
Prime or Adult years. 2016. Accessed August 03, 2026. https://thesaurus.plus/related/adult_years/prime.
Google Ngram Viewer shows how "adult years" and "prime" have occurred on timeline