Great
Key
Key adjective - Coming before all others in importance.
Usage example: maintains that Sir Isaac Newton remains the key figure in physical science
Mutual synonyms
Both words in one sentence
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He has the key to his castle under his "Velcome" mat, but before he can use it to unlock the door, the morning sun rises, and he says, "Oh... great." before it vanquishes him.
Source: Key Under the Doormat -
He spends a great deal of time looking for a key, but continuously walks past it.
Source: Lets Play / Chaotic Monki -
It worked great as a key, but not so great as a gun.
Source: Series / Pawn Stars
Cite this Source
Key and Great. (2016). Retrieved 2026, August 03, from https://thesaurus.plus/related/great/key
Great & Key. N.p., 2016. Web. 03 Aug. 2026. <https://thesaurus.plus/related/great/key>.
Key or Great. 2016. Accessed August 03, 2026. https://thesaurus.plus/related/great/key.
Google Ngram Viewer shows how "great" and "key" have occurred on timeline