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

• abandoned
• intemperate
• rampant
• raw
• runaway
• unbounded
• unbridled
• unchecked
• unhampered
• unhindered
• unrestrained

Examples of uncontrolled in a Sentence

a tirade filled with uncontrolled anger about what the government was doing

Recent Examples on the Web

Patrollers will trigger slides with explosives, or by slope-cutting—skiing at a 45-degree angle across a hillside—prior to a run opening to reduce the risk of uncontrolled avalanches while the terrain is open. —Frederick Dreier, Outside Online, 6 Dec. 2024

Those included that Anthony Fauci didn't organize a campaign to suppress theories that COVID originated with a lab leak, and that the Trump administration's pandemic response led to the uncontrolled spread of COVID in nursing homes. —Victoria Knight, Axios, 3 Dec. 2024

Still, its main role would be deterrence; European troops would not serve in frontline combat roles, where they would be exposed to daily incidents and skirmishes, to avoid the risk of unwanted, uncontrolled escalation. —Elie Tenenbaum, Foreign Affairs, 3 Dec. 2024

Over time, uncontrolled blood sugar levels can damage the blood vessels that feed the heart. —Alexandria Nyembwe, Phd, Rn, Health, 4 Nov. 2024

Word History

First Known Use

circa 1535, in the meaning defined above

Medical 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