Leading
Leading adjective - Coming before all others in importance.
Preexistent and leading are semantically related In some cases you can use "Preexistent" instead an adjective "Leading".
Preexistent
Preexistent adjective - Existing previously or before something.
Leading and preexistent are semantically related in earlier topic. Sometimes you can use "Leading" instead an adjective "Preexistent".
Cite this Source
Preexistent and Leading. (2016). Retrieved 2026, July 22, from https://thesaurus.plus/related/leading/preexistent
Leading & Preexistent. N.p., 2016. Web. 22 Jul. 2026. <https://thesaurus.plus/related/leading/preexistent>.
Preexistent or Leading. 2016. Accessed July 22, 2026. https://thesaurus.plus/related/leading/preexistent.
Google Ngram Viewer shows how "leading" and "preexistent" have occurred on timeline