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
Examples of uncontrolled in a Sentence
a tirade filled with uncontrolled anger about what the government was doing
Recent Examples on the Web
After losing to Boric, Kast built his following by amplifying concerns around uncontrolled immigration and increasing public insecurity.
—
Jon Lee Anderson, New Yorker, 23 Dec. 2025
Mainland China and territory controlled by the Chinese government is shown in yellow, while territory claimed by, but uncontrolled by Beijing, including Taiwan, is depicted in brown on this map.
—CBS News, 18 Dec. 2025
Statesville Regional Airport, about 45 miles north of Charlotte, is an uncontrolled airport with no control tower.
—Devon M. Sayers, CNN Money, 18 Dec. 2025
Vigil said that an uncontrolled collapse could unleash something far more dangerous than the current regime.
—Efrat Lachter, FOXNews.com, 13 Dec. 2025
See All Example Sentences for uncontrolled
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Jon Lee Anderson, New Yorker, 23 Dec. 2025
Mainland China and territory controlled by the Chinese government is shown in yellow, while territory claimed by, but uncontrolled by Beijing, including Taiwan, is depicted in brown on this map.
—CBS News, 18 Dec. 2025
Statesville Regional Airport, about 45 miles north of Charlotte, is an uncontrolled airport with no control tower.
—Devon M. Sayers, CNN Money, 18 Dec. 2025
Vigil said that an uncontrolled collapse could unleash something far more dangerous than the current regime.
—Efrat Lachter, FOXNews.com, 13 Dec. 2025
See All Example Sentences for uncontrolled
Cite this Entry
“Uncontrolled.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/uncontrolled. Accessed 31 Dec. 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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