lock screen

plural lock screens

Definition of lock screen

: a graphical user interface displayed by a device (such as a computer or smartphone) that prevents access to most functions of the device until a certain action (such as swiping one's finger across the screen or entering a predetermined code) is performed Speaking of locking your phone, Android typically shows notifications on your lock screen by default—which means the contents of messages you receive might be visible to anyone who looks at your device, even if they can't unlock it.— JR Raphael

First Known Use of lock screen

1991, in the meaning defined above

Keep scrolling for more

Learn More about lock screen

Time Traveler for lock screen

Time Traveler

The first known use of lock screen was in 1991

See more words from the same year

Statistics for lock screen

Cite this Entry

“Lock screen.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/lock%20screen. Accessed 2 Dec. 2020.

Comments on lock screen

What made you want to look up lock screen? Please tell us where you read or heard it (including the quote, if possible).


Test Your Vocabulary

Musical Words Quiz

  • gramophone
  • Which word describes a musical performance marked by the absence of instrumental accompaniment?
Spell It

Can you spell these 10 commonly misspelled words?

Dictionary Devil

Test Your Knowledge - and learn some interesting things along the way.

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!