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
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
Sudden immersion in such frigid water, known as cold shock, can trigger immediate physiological responses such as uncontrolled gasping, rapid breathing or hyperventilation, according to the National Weather Service.
—Rebekah Riess, CNN, 30 Jan. 2025
Keep your fingers crossed as this uncontrolled experiment is getting bigger each passing day.
—Lance Eliot, Forbes, 23 Jan. 2025
Individuals with uncontrolled blood sugar, diabetes, or kidney issues should avoid adrenal cocktails due to their high sugar and potassium content.
—Dominique Fluker, Essence, 20 Jan. 2025
See all Example Sentences for uncontrolled 
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Ashley Wong, Health, 3 Feb. 2025
Sudden immersion in such frigid water, known as cold shock, can trigger immediate physiological responses such as uncontrolled gasping, rapid breathing or hyperventilation, according to the National Weather Service.
—Rebekah Riess, CNN, 30 Jan. 2025
Keep your fingers crossed as this uncontrolled experiment is getting bigger each passing day.
—Lance Eliot, Forbes, 23 Jan. 2025
Individuals with uncontrolled blood sugar, diabetes, or kidney issues should avoid adrenal cocktails due to their high sugar and potassium content.
—Dominique Fluker, Essence, 20 Jan. 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 13 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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