Key
Key adjective - Coming before all others in importance.
Open
Open adjective - Allowing passage without obstruction.
Both words in one sentence
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The chained key is not for the ceiling lock; instead, the key is used to open a chest which has to be brought up from below (a puzzle in itself).
Source: Video Game / Myst -
The spikes are what open things, as the locks the key is meant to open are also octagonal and have holes to the spikes to grab.
Source: Cool Key -
In The Cat Lady, there is a puzzle where you have to get the key to break into someone's apartment by cracking open a cat statue holding said key.
Source: Key Under the Doormat
Cite this Source
Open and Key. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/key/open
Key & Open. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/key/open>.
Open or Key. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/key/open.
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