un·​checked | \ ˌən-ˈchekt How to pronounce unchecked (audio) \

Definition of unchecked

: not checked: such as
a : not hindered, slowed, or restrained unchecked growth
b : not verified unchecked data/information

Keep scrolling for more

Examples of unchecked in a Sentence

Recent Examples on the Web

Left unchecked, the practice would eventually leave the highways littered with crosses, flags, flowers, etc. Alexis Hobbs, Woman's Day, "Couple Who Lost Daughter in Car Accident Find Her Roadside Memorial Replaced With HORRIBLE Note," 3 Sep. 2015 That means games like Negligee will not show up in a Steam user's recommendations unless the filter is unchecked in the Store Preferences settings. Kyle Orland, Ars Technica, "The first “100% uncensored” adult game has been approved for Steam release," 11 Sep. 2018 Startup investors and company founders warn that the unchecked growth of the past several years—which by some metrics exceeded heights from the dot-com boom—could be hitting a limit. Rob Copeland, WSJ, "Silicon Valley’s Unbridled Optimism Gets Fresh Reality Check," 22 Jan. 2019 Many families from Mexico are fleeing violence that has largely gone unchecked by the country’s authorities. Sean Smyth, BostonGlobe.com, "John Oliver turns attention toward the ‘Mexican Donald Trump’," 25 June 2018 So if the report is correct, and China continues on this path, the United States’s decades of mostly unchecked military power may soon come to an end. Alex Ward, Vox, "China’s military power could match America’s by 2050," 14 Nov. 2018 The string of tweets began after 7:30 p.m. and went unchecked for about 20 minutes, according to NBC Chicago 5. Charles Ventura, USA TODAY, "Buffalo Wild Wings apologizes for crude Twitter posts, says account was hacked," 1 June 2018 The sixth mass extinction is upon us and accelerating, and our technological prowess remains unchecked by the fullness of time. Robert M. Thorson, WSJ, "‘Timefulness’ Review: Thinking in Eons," 30 Dec. 2018 Accusations have included hasty automated evictions, delayed or ignored maintenance requests, squalid living conditions, unchecked bug infestations, and automated annual rent increases. Jeff Andrews, Curbed, "Single-family rental companies turn to Opendoor, Offerpad for new inventory," 3 Dec. 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'unchecked.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

See More

First Known Use of unchecked

15th century, in the meaning defined above

Keep scrolling for more

Learn More about unchecked

Statistics for unchecked

Last Updated

28 Mar 2019

Look-up Popularity

Time Traveler for unchecked

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

See more words from the same century

Keep scrolling for more

More Definitions for unchecked



English Language Learners Definition of unchecked

: not stopped, slowed, or controlled : not checked

Keep scrolling for more

More from Merriam-Webster on unchecked

Thesaurus: All synonyms and antonyms for unchecked

Spanish Central: Translation of unchecked

Nglish: Translation of unchecked for Spanish Speakers

Comments on unchecked

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


not to be persuaded, moved, or stopped

Get Word of the Day daily email!

Test Your Vocabulary

Words from Greek and Latin Quiz

  • roman forum
  • Which of the following months comes from a Latin word for “ten”?
Name That Thing

Test your visual vocabulary with our 10-question challenge!


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!