Key and Open

Key

Key adjective - Coming before all others in importance.

Open and key are semantically related. In some cases you can use "Open" instead an adjective "Key".

Nearby Words: keyed, keyboard, keying

Open

Open adjective - Allowing passage without obstruction.

Key and open are semantically related. Sometimes you can use "Key" instead an adjective "Open".

Nearby Words: opening, openness, opened, opener

Both words in one sentence

  • Video Game / Myst 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).
  • Cool Key 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
  • Key Under the Doormat 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.
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.
Google Ngram Viewer shows how "key" and "open" have occurred on timeline