Best
Best adjective - (superlative of `good') having the most positive qualities.
Unimaginable and best are semantically related. In some cases you can use "Unimaginable" instead an adjective "Best".
Unimaginable
Unimaginable adjective - Too extraordinary or improbable to believe.
Best and unimaginable are semantically related. Sometimes you can use "Best" instead an adjective "Unimaginable".
Mutual synonyms
Both words in one sentence
- Released in the west as Lethal Skies Elite Pilot: Team SW Despite humanity's best efforts, the release of Siberia's methane reserves cause Global Warming to accelerate at an unimaginable rate, resulting in much of the world being flooded.
Source: Video Game / Sidewinder - You know that even heretical thoughts create windows into the Warp for unimaginable horrors, but your moral sensibilities raised by (insert atrocity X) might cause you to question: Is the Imperium's rule really the last, best hope of humanity?
Source: Analysis / Warhammer 40,000
Cite this Source
Unimaginable and Best. (2016). Retrieved 2026, August 07, from https://thesaurus.plus/related/best/unimaginable
Best & Unimaginable. N.p., 2016. Web. 07 Aug. 2026. <https://thesaurus.plus/related/best/unimaginable>.
Unimaginable or Best. 2016. Accessed August 07, 2026. https://thesaurus.plus/related/best/unimaginable.
Google Ngram Viewer shows how "best" and "unimaginable" have occurred on timeline