Unimaginable and Unprecedented

Unimaginable

Unimaginable adjective - Too extraordinary or improbable to believe.

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

Unprecedented

Unprecedented adjective - Not known or experienced before.

Unimaginable and unprecedented are semantically related. Sometimes you can use "Unimaginable" instead an adjective "Unprecedented".
Cite this Source
Unprecedented and Unimaginable. (2016). Retrieved 2026, August 08, from https://thesaurus.plus/related/unimaginable/unprecedented
Unimaginable & Unprecedented. N.p., 2016. Web. 08 Aug. 2026. <https://thesaurus.plus/related/unimaginable/unprecedented>.
Unprecedented or Unimaginable. 2016. Accessed August 08, 2026. https://thesaurus.plus/related/unimaginable/unprecedented.
Google Ngram Viewer shows how "unimaginable" and "unprecedented" have occurred on timeline