Deep
Open
Open adjective - Allowing passage without obstruction.
Both words in one sentence
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Though some might think it was meant to be deep, the Grateful Dead literally pulled their name out of a dictionary open at random.
Source: Word Salad Title - Infernal Sky is a very wide-open map, high above any type of ground, whereas Kaizo Caverns is very closed-in, claustrophobic and linear, all taking place in a cave deep, deep underground.
Source: Video Game / Super Hostile -
Open Mouth, Insert Foot: Gypsy inserts both feet knee deep upon arriving at the commander's office.
Source: Webcomic / Code Name: Hunter
Cite this Source
Open and Deep. (2016). Retrieved 2026, July 31, from https://thesaurus.plus/related/deep/open
Deep & Open. N.p., 2016. Web. 31 Jul. 2026. <https://thesaurus.plus/related/deep/open>.
Open or Deep. 2016. Accessed July 31, 2026. https://thesaurus.plus/related/deep/open.
Google Ngram Viewer shows how "deep" and "open" have occurred on timeline