Deep
Deep adjective - Extending far downward.
Key
Key adjective - Coming before all others in importance.
How words are described
Both words in one sentence
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This was also key to Andy's Heel persona, especially when he took it to Memphis and constantly bragged about his Hollywood stardom and superiority to the "hicks" of the deep South.
Source: Creator / Andy Kaufman -
Low-key example: the protagonists of The Breakfast Club go from being at each other's throats to bonding and sharing deep personal revelations after sharing some marijuana.
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The Paragon: Akagi is respected by all, especially Fubuki, and gives the latter deep and insightful speeches that end up playing a key role in Fubuki's development.
Source: Anime / Kantai Collection
Cite this Source
Key and Deep. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/deep/key
Deep & Key. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/deep/key>.
Key or Deep. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/deep/key.
Google Ngram Viewer shows how "deep" and "key" have occurred on timeline