Important
Important adjective - Having great meaning or lasting effect.
Unprecedented and important are semantically related. In some cases you can use "Unprecedented" instead an adjective "Important".
Unprecedented
Unprecedented adjective - Not known or experienced before.
Important and unprecedented are semantically related. Sometimes you can use "Important" instead an adjective "Unprecedented".
Mutual synonyms
Cite this Source
Unprecedented and Important. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/important/unprecedented
Important & Unprecedented. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/important/unprecedented>.
Unprecedented or Important. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/important/unprecedented.
Google Ngram Viewer shows how "important" and "unprecedented" have occurred on timeline