uncontrolled
adjective
un·con·trolled
ˌən-kən-ˈtrōld 
: 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
Synonyms
Examples of uncontrolled in a Sentence
a tirade filled with uncontrolled anger about what the government was doing
Recent Examples on the Web
According to Simple Flying, both planes were flying over uncontrolled airspace and the pilots were responsible for seeing other aircraft to avoid collisions.
—
Stephanie Sengwe, People.com, 14 Feb. 2025
The Hyundai veered into the grassy area to the right of the travel lanes and came to an uncontrolled stop.
—Staff Report, Hartford Courant, 8 Feb. 2025
Along with inflation, anger towards uncontrolled immigration was a significant factor in President Trump’s victory last November, and Trump promised to address the issue immediately after his inauguration.
—Douglas Schoen, Orange County Register, 7 Feb. 2025
However, some research suggests that magnesium may help lower blood pressure among people with uncontrolled hypertension.4
One review of past studies found that supplementing with 368 milligrams of magnesium daily for an average of three months significantly lowered blood pressure.
—Ashley Wong, Health, 3 Feb. 2025
See all Example Sentences for uncontrolled 
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Stephanie Sengwe, People.com, 14 Feb. 2025
The Hyundai veered into the grassy area to the right of the travel lanes and came to an uncontrolled stop.
—Staff Report, Hartford Courant, 8 Feb. 2025
Along with inflation, anger towards uncontrolled immigration was a significant factor in President Trump’s victory last November, and Trump promised to address the issue immediately after his inauguration.
—Douglas Schoen, Orange County Register, 7 Feb. 2025
However, some research suggests that magnesium may help lower blood pressure among people with uncontrolled hypertension.4
One review of past studies found that supplementing with 368 milligrams of magnesium daily for an average of three months significantly lowered blood pressure.
—Ashley Wong, Health, 3 Feb. 2025
See all Example Sentences for uncontrolled
Dictionary Entries Near uncontrolled
Cite this Entry
“Uncontrolled.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/uncontrolled. Accessed 19 Feb. 2025.
Copy CitationMedical Definition
uncontrolled
adjective
un·con·trolled
ˌən-kən-ˈtrōld
1
: not being under control
uncontrolled hypertension
2
: not incorporating suitable experimental controls
uncontrolled drug trials
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