unchecked

adjective

un·​checked ˌən-ˈchekt How to pronounce unchecked (audio)
Synonyms of uncheckednext
: not checked: such as
a
: not hindered, slowed, or restrained
unchecked growth
b
: not verified
unchecked data/information

Examples of unchecked in a Sentence

unchecked corruption in the state's prison system
Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Throughout history, unchecked power has expanded and carried out similar or worse activities elsewhere — first here, then there. Eric Balliet, Denver Post, 28 Jan. 2026 Left unchecked, those feelings can worsen into sleepless nights, a loss of appetite, inability to focus, impaired relationships, depression and even physical illness. Hunter Boyce, AJC.com, 27 Jan. 2026 When things go unchecked, Williams notes that delays in diagnosis are often multifactorial, with contributing factors that include insurance coverage issues, limited access to health care, lack of information, and cultural mistrust. Essence, 27 Jan. 2026 Thousands of children have been terrorized, detained, and many have been deported because of ICE’s unchecked barbarity. Voice Of The People, New York Daily News, 26 Jan. 2026 See All Example Sentences for unchecked

Word History

First Known Use

15th century, in the meaning defined above

Time Traveler
The first known use of unchecked was in the 15th century

Browse Nearby Words

Cite this Entry

“Unchecked.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/unchecked. Accessed 7 Feb. 2026.

More from Merriam-Webster on unchecked

Last Updated: - Updated example sentences
Love words? Need even more definitions?

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

More from Merriam-Webster