Exceptional
Exceptional adjective - Being out of the ordinary.
Key and exceptional are semantically related. In some cases you can use "Key" instead an adjective "Exceptional".
Key
Key adjective - Coming before all others in importance.
Exceptional and key are semantically related. Sometimes you can use "Exceptional" instead an adjective "Key".
Mutual synonyms
Cite this Source
Key and Exceptional. (2016). Retrieved 2026, August 03, from https://thesaurus.plus/related/exceptional/key
Exceptional & Key. N.p., 2016. Web. 03 Aug. 2026. <https://thesaurus.plus/related/exceptional/key>.
Key or Exceptional. 2016. Accessed August 03, 2026. https://thesaurus.plus/related/exceptional/key.
Google Ngram Viewer shows how "exceptional" and "key" have occurred on timeline