un·​con·​trolled | \ ˌən-kən-ˈtrōld How to pronounce uncontrolled (audio) \

Definition of uncontrolled

: not controlled: such as
a : happening or done without being stopped, slowed, or controlled an uncontrolled tantrum his uncontrolled anger uncontrolled hypertension uncontrolled urban sprawl
b : not conducted or maintained in accordance with fixed rules, restraints, or procedures results from an uncontrolled study
c : not regulated by law with regard to possession and use uncontrolled substances

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Examples of uncontrolled in a Sentence

Recent Examples on the Web Any real economic value of data will require greater user control over data sharing and a higher degree of data scarcity—scarcity that’s created through limits on the non-transparent and uncontrolled proliferation of data transactions. Wired Opinion, Wired, "Personal Data Is Valuable. Give Pricing Power to the People," 7 Jan. 2020 For hemorrhagic strokes—the other main form of stroke, cause by a ruptured blood vessel in the brain—patients need their blood to clot to stop uncontrolled bleeding. Oliver Staley, Quartz, "Aspirin can help stem the tide of stroke. Why aren’t more doctors prescribing it?," 30 Dec. 2019 Hemorrhagic stroke patients with uncontrolled brain bleeding, on the other hand, benefit when their blood pressure is immediately reduced. Oliver Staley, Quartz Africa, "Zambia has 17 million people, a stroke epidemic, and no neurologists," 30 Dec. 2019 Bordeaux suddenly realized that the McCain was steaming uncontrolled toward the cargo ships sailing through the Singapore Strait. T. Christian Miller, ProPublica, "The Navy installed touch-screen steering systems to save money.," 20 Dec. 2019 Clement Prince Addo This framework will bring an end to uncontrolled mast deployment seen in many African countries. Clement Prince Addo, Quartz Africa, "This is how we cut the price of internet access in African countries," 18 Dec. 2019 For decades, mountain gorillas have been subjected to uncontrolled hunting, disease, habitat loss and the ravages of human conflict. Brigit Katz, Smithsonian, "Endangered Mountain Gorilla Populations Are Growing," 18 Dec. 2019 The absurd, horrified, uncontrolled writhing acts as a potent counterpoint to human bodies shaped by military drills. Adrian Daub, Longreads, "All Hail the Rat King," 13 Dec. 2019 Winans has difficult wearing contacts because of the nystagmus, a condition that causes the eyes to make rapid and uncontrolled movement. Kent Somers, azcentral, "NAIA reverses course. Blind football player can wear tinted visor, play immediately," 23 Oct. 2019

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

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First Known Use of uncontrolled

circa 1535, in the meaning defined above

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Time Traveler for uncontrolled

Time Traveler

The first known use of uncontrolled was circa 1535

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Statistics for uncontrolled

Last Updated

11 Jan 2020

Cite this Entry

“Uncontrolled.” The Merriam-Webster.com Dictionary, Merriam-Webster Inc., https://www.merriam-webster.com/dictionary/uncontrolled. Accessed 20 January 2020.

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More Definitions for uncontrolled


How to pronounce uncontrolled (audio)

English Language Learners Definition of uncontrolled

: happening or done without being stopped, slowed, or controlled


un·​con·​trolled | \ ˌən-kən-ˈtrōld \

Kids Definition of uncontrolled

: not being controlled


un·​con·​trolled | \ ˌən-kən-ˈtrōld How to pronounce uncontrolled (audio) \

Medical Definition of uncontrolled

1 : not being under control uncontrolled hypertension
2 : not incorporating suitable experimental controls uncontrolled drug trials

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Comments on uncontrolled

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


not to be intimidated or subdued

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