Alternative and Unprecedented

Alternative

Alternative adjective - Necessitating a choice between mutually exclusive possibilities.

Unprecedented and alternative are semantically related. In some cases you can use "Unprecedented" instead an adjective "Alternative".

Unprecedented

Unprecedented adjective - Not known or experienced before.

Alternative and unprecedented are semantically related. Sometimes you can use "Alternative" instead an adjective "Unprecedented".
Cite this Source
Unprecedented and Alternative. (2016). Retrieved 2026, August 03, from https://thesaurus.plus/related/alternative/unprecedented
Alternative & Unprecedented. N.p., 2016. Web. 03 Aug. 2026. <https://thesaurus.plus/related/alternative/unprecedented>.
Unprecedented or Alternative. 2016. Accessed August 03, 2026. https://thesaurus.plus/related/alternative/unprecedented.
Google Ngram Viewer shows how "alternative" and "unprecedented" have occurred on timeline