Master
Master noun - A person with a high level of knowledge or skill in a field.
Skeleton key and master are semantically related. In some cases you can use "Skeleton key" instead a noun "Master".
Skeleton key
Skeleton key noun - A passkey with much of the bit filed away so that it can open different locks.
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Synonyms for Skeleton key
Master and skeleton key are semantically related. Sometimes you can use "Master" instead a noun phrase "Skeleton key".
Both terms in one sentence
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A skeleton key (also known as a pass key) is a master key often used by locksmiths, that will open any lock in the set of locks for which it is made.
Source: Skeleton Key -
Master of Unlocking: The protagonist of "Skeleton Key", who builds a career out of opening any lock that people are willing to pay to have opened.
Source: Music / Dessa -
Skeleton Key: Master Key's eponymous key, which unlocks all three prizes.
Source: Series / The Price Is Right
Cite this Source
Skeleton key and Master. (2016). Retrieved 2026, July 22, from https://thesaurus.plus/related/master/skeleton_key
Master & Skeleton key. N.p., 2016. Web. 22 Jul. 2026. <https://thesaurus.plus/related/master/skeleton_key>.
Skeleton key or Master. 2016. Accessed July 22, 2026. https://thesaurus.plus/related/master/skeleton_key.
Google Ngram Viewer shows how "master" and "skeleton key" have occurred on timeline