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

Synonyms of unchecked

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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.
Our founders feared concentrated, unchecked power, and Congress built the SEC to guard against it after the 1929 collapse. — Andrew Behar, Fortune, 26 Oct. 2026 But with danger lurking around every corner, has the Duke’s unchecked ambition finally gone too far? — Nellie Andreeva, Deadline, 23 Oct. 2026 In 1971, Stanford psychology professor Philip Zimbardo conducted a study in which a group of participants were divided into prison guards and inmates, with the guards given nearly unchecked power. — Roxana Hadadi, Vulture, 22 Oct. 2026 Security patches for the PHP programming language, widely used to build websites and web apps, have rolled out today, with the goal of fixing two critical vulnerabilities that could wreak havoc on the internet if left unchecked. — Jess Weatherbed, The Verge, 21 Oct. 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

Rhymes for unchecked

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Browse Nearby Words

uncheckable
unchecked
uncheerful
See all Nearby Words

Cite this Entry

“Unchecked.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/unchecked. Accessed 2 Nov. 2026.

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