How to Use master key in a Sentence

master key

noun
  • In other words, the ball is easy, the master key to the way out.
    San Diego Union-Tribune, 30 June 2019
  • The trio from the opening scene enters a home, looking for the master key to the power plant.
    Ashley Chervinski, refinery29.com, 28 June 2020
  • Solving the Trump problem is the master key to this election, and no one has found it.
    Trip Gabriel, Chicago Tribune, 10 Aug. 2023
  • The tech at the dealership had a master key and replaced the locking lugs.
    Bob Weber, Star Tribune, 9 Oct. 2020
  • Arredondo requests a master key and mentions the use of a sniper.
    Rachel Clarke, CNN, 6 Nov. 2022
  • The document would prove to be his master key to building a new life.
    Kyle Swenson, chicagotribune.com, 31 May 2018
  • McCraw said that around this time, Arredondo was looking for a master key to the classroom doors.
    Joyce Sohyun Lee, Washington Post, 17 July 2022
  • Using a master key, deputies entered the apartment and found a woman dead.
    Angie Dimichele, Sun Sentinel, 3 Jan. 2023
  • My phone is the digital master key that unlocks my life.
    Dan Patterson, CBS News, 2 Nov. 2020
  • Once locked, you're supposed to be the only one that can open your gun case, and the TSA models allow anyone with a master key in.
    The Editors, Field & Stream, 12 Aug. 2019
  • Marcano’s unit with a master key just minutes before she was last seen at the complex.
    Fox News, 30 Sep. 2021
  • The government held on to the master keys and lent a pair to the medical establishment.
    Charlotte Shane, Harper's Magazine, 14 Sep. 2022
  • Prosecutor Alan Mizrahi: Marty Simms … had the master key to all the apartments in the complex.
    CBS News, 3 July 2019
  • If passports are the key to international travel, then who wouldn't want the master key that opens the most doors?
    Jessica Poitevien, Travel + Leisure, 11 Oct. 2021
  • McCraw said Tuesday there was more than one master key for the classrooms in the school, which would explain why the one Arredondo had did not work.
    Christina Maxouris, CNN, 21 June 2022
  • Cops also reviewed the hotel’s key lock system and saw that a master key was used to enter the couple’s room.
    Madeleine Marr, miamiherald, 31 Jan. 2018
  • Microsoft was then able to search its own logs for the master key that the hackers had obtained and block future access.
    Joseph Menn, Washington Post, 15 Aug. 2023
  • Gaining admin access to the hub was like getting a master key to any home that used Zipato’s tech.
    Zoe Schiffer, Vox, 8 Aug. 2019
  • With Charlie Brewer gone, one of these players will be the master key to either success or mediocrity in 2021.
    Matthew Soderberg, Dallas News, 18 Aug. 2021
  • Crooks often are trying to get their hands on checks in the mail or a master key, which can open multiple blue mailboxes in an area.
    Susan Tompor, Detroit Free Press, 16 Mar. 2023
  • In the most robberies, armed thieves target mail carriers’ master keys.
    Laura Rodríguez Presa, Chicago Tribune, 8 Apr. 2023
  • Despite a search for a master key to the classrooms by the school police chief, Pete Arredondo, and others, no one called the principal, who had one.
    New York Times, 17 July 2022
  • Booker, according to the document, instructed Brown to obtain a master key for the barracks and give it to him, but Brown was not able to get the key.
    Minyvonne Burke, NBC News, 27 Oct. 2022
  • So far in Parma several incidents of thieves using a master key to steal mail have come to light out of the State Road post office.
    John Benson, cleveland, 12 Jan. 2022
  • Booker allegedly suggested that Brown steal the master key for the barracks and give it to him, but Brown couldn't get the key, according to the plea agreement.
    Christine Pelisek, Peoplemag, 28 Oct. 2022
  • After police opened the door with a master key, the man picked up part of a metal bed frame and started moving toward officers, Dixon said.
    Dallas News, 22 June 2022
  • Police say Marcano was killed by a maintenance worker who had a master key to her apartment.
    Skyler Swisher, orlandosentinel.com, 25 Jan. 2022
  • The thefts come several months after a mail carrier was robbed of a master key in Euclid, which led the way for several blue-box thefts in the Cleveland area.
    Olivia Mitchell, cleveland, 2 May 2022
  • Nearly 20 officers stood in a hallway outside of the classrooms school for more than 45 minutes before agents used a master key to open the classroom’s locked door.
    Amanda Seitz, Anchorage Daily News, 28 May 2022
  • This visibility is a master key that can open all kinds of doors for black scientists to succeed, and for the world to benefit from their success.
    Aj Willingham, CNN, 3 June 2020

Some of these examples are programmatically compiled from various online sources to illustrate current usage of the word 'master key.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

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