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.
Leaders must recognize that unchecked anxiety can hinder progress. Dr. Diane Hamilton, Forbes.com, 4 July 2026 Although rabies is characterized in media as causing unchecked fury, agitation and aggression are just two symptoms. Cara Lynn Shultz, PEOPLE, 2 July 2026 These guardrails matter because the costs of unchecked data center growth are well documented. Chicago Tribune, 28 June 2026 As the cancerous mass that would ultimately kill him grew unchecked in his lungs, Terrence Wise desperately wrote message after message to the staff of the MDC Brooklyn federal jail, begging for medical help. John Annese, New York Daily News, 27 June 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

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Cite this Entry

“Unchecked.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/unchecked. Accessed 5 Jul. 2026.

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