Key and Mystery

Key

Key noun - An explanatory list of the symbols on a map or chart.

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Mystery and key are semantically related. In some cases you can use "Mystery" instead a noun "Key".

Nearby Words: keyed, keyboard, keying

Mystery noun - Something hard to understand or explain.

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Key and mystery are semantically related. Sometimes you can use "Key" instead a noun "Mystery".

old	old key	old mystery
certain	certain key	certain mystery
standard	standard key	standard mystery
original	original key	original mystery
Other adjectives: fake, single, actual, real, big, main, important, ancient, major, minor, strange, last, different, red.

As Ryuzaki points out, the mystery could be solved by assuming that the killer has a key to each room.

Source: Locked Room Mystery
Chesterton's Father Brown mystery story "The Salad of Colonel Cray", a key clue to the mystery is some unexplained sneezes heard near the scene of the crime.

Source: Pepper Sneeze
The protagonist finds out the key to the mystery lies in a suitcase he and his wife had lost at the airport.

Source: Surprisingly Similar Stories / Uncited Entries

Cite this Source

Mystery and Key. (2016). Retrieved 2026, August 03, from https://thesaurus.plus/related/key/mystery

Key & Mystery. N.p., 2016. Web. 03 Aug. 2026. <https://thesaurus.plus/related/key/mystery>.

Mystery or Key. 2016. Accessed August 03, 2026. https://thesaurus.plus/related/key/mystery.

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