master key

noun

Definition of master key

: a key designed to open several different locks

Examples of master key in a Sentence

Recent Examples on the Web Caballero, a maintenance worker at the Arden Villas apartment complex where Miya lived and worked, used a master key to enter her apartment at 4:30 p.m. on Sept. 24, police say. al, 4 Oct. 2021 Investigators eventually determined that Caballero used a master key to enter Marcano's apartment. CBS News, 18 Oct. 2021 Detectives later learned Caballero, a maintenance worker at the Arden Villas, used a master key to improperly enter her apartment not long before she was last seen. Desiree Stennett, orlandosentinel.com, 5 Oct. 2021 Caballero, a maintenance worker at the Arden Villas apartment complex where Miya lived and worked, used a master key to enter her apartment at 4:30 p.m. on Sept. 24, police say. al, 4 Oct. 2021 Caballero, a maintenance worker at the Arden Villas apartment complex where Miya lived and worked, used a master key to enter her apartment at 4:30 p.m. on Sept. 24, police say. Susannah Bryan, sun-sentinel.com, 3 Oct. 2021 Police said the 27-year-old maintenance worker was employed at Arden Villas, where Marcano lived and worked, and had previously accessed her apartment using a master key. Zoe Christen Jones, CBS News, 6 Oct. 2021 Caballero entered Marcano’s apartment without permission by using a master key, according to Orange County Sheriff John Mina. Lisa Maria Garza, orlandosentinel.com, 6 Oct. 2021 Authorities said the 19-year-old, who graduated from Charles W. Flanagan High School, vanished on the same day a maintenance man improperly used a master key to enter her apartment. sun-sentinel.com, 2 Oct. 2021

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'master key.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of master key

1577, in the meaning defined above

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Time Traveler for master key

Time Traveler

The first known use of master key was in 1577

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Dictionary Entries Near master key

masterhood

master key

master leaf

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Statistics for master key

Last Updated

20 Nov 2021

Cite this Entry

“Master key.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/master%20key. Accessed 1 Dec. 2021.

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More Definitions for master key

master key

noun

English Language Learners Definition of master key

: a key that can be used to open many locks (such as all the door locks in a building)

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