Key and Opening

Key

Key adjective - Coming before all others in importance.

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Opening and key are semantically related. In some cases you can use "Opening" instead the word "Key" as an adjective or a noun.

Nearby Words: keyed, keyboard, keying

Opening adjective - First or beginning.

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Key and opening are semantically related. Sometimes you can use "Key" instead the word "Opening" as an adjective or a noun.

Nearby Words: open, openness, opened, opener

similar	similar key	similar opening
normal	normal key	normal opening
standard	standard key	standard opening
original	original key	original opening
Other adjectives: fake, true, proper, single, small, actual, real, large, big, new, unique, possible, final, left, last, different, giant, portal, fifth.

In the Adventure Time episode "The Enchiridion", the key to opening the gates to get the MacGuffin is literally the Gate Keeper, whose hat looks (and functions) just like a giant key.

Source: Cool Key
In the first film, a similar but different leitmotif is heard during key scenes (opening credits, police shootout, closing credits).

Source: Franchise / Terminator
In the dream, she dances and then swipes a key card to open a door while smirking at the camera - just like in the opening sequence.

Source: Opening Shout-Out

Cite this Source

Opening and Key. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/key/opening

Key & Opening. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/key/opening>.

Opening or Key. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/key/opening.

Google Ngram Viewer shows how "key" and "opening" have occurred on timeline