uncontained
adjective
un·con·tained ˌən-kən-ˈtānd 
: not restrained, checked, or controlled : not contained
uncontained mirth/joy
an uncontained explosion
Example Sentences
Recent Examples on the Web According to the Northwest Interagency Coordination Center, this weekend there were more than 400 square miles of active, uncontained fires and nearly 5,000 people on the ground fighting them in the two northwestern states. 
CBS News, 12 Sep. 2022 An uncontained, Chernobyl-like meltdown would be a catastrophe piled on catastrophe. Holman W. Jenkins, WSJ, 2 Sep. 2022 The emergency burn closure order, which goes into effect late Friday, bans any activity that would require a state or local permit and uncontained cooking, warming or signaling fires, according to the Division of Forestry. Tess Williams, Anchorage Daily News, 1 July 2022 The fire near Tolar, about 40 miles (65 kilometers) southwest of Fort Worth, was completely uncontained as of Wednesday afternoon, according to the Texas A&M Forest Service. Chron, 4 Aug. 2022 Investigators have yet to determine the cause of the McKinney fire, which grew rapidly in hilly, challenging terrain and is uncontained. Laura Blasey, Los Angeles Times, 4 Aug. 2022 The fire was entirely uncontained as of Sunday morning. Erin Prater, Fortune, 24 July 2022 Nationally, more than 6,200 wildland firefighters were battling nearly three dozen uncontained fires that had charred over 1 million acres (4,408 square kilometers), according to the National Interagency Fire Center. Felicia Fonseca, Anchorage Daily News, 14 June 2022 This kind of uncontained hypergrowth can have damaging impacts on long-term residents and the city’s economic infrastructure. Jane Thier, Fortune, 10 June 2022 See More
CBS News, 12 Sep. 2022 An uncontained, Chernobyl-like meltdown would be a catastrophe piled on catastrophe. Holman W. Jenkins, WSJ, 2 Sep. 2022 The emergency burn closure order, which goes into effect late Friday, bans any activity that would require a state or local permit and uncontained cooking, warming or signaling fires, according to the Division of Forestry. Tess Williams, Anchorage Daily News, 1 July 2022 The fire near Tolar, about 40 miles (65 kilometers) southwest of Fort Worth, was completely uncontained as of Wednesday afternoon, according to the Texas A&M Forest Service. Chron, 4 Aug. 2022 Investigators have yet to determine the cause of the McKinney fire, which grew rapidly in hilly, challenging terrain and is uncontained. Laura Blasey, Los Angeles Times, 4 Aug. 2022 The fire was entirely uncontained as of Sunday morning. Erin Prater, Fortune, 24 July 2022 Nationally, more than 6,200 wildland firefighters were battling nearly three dozen uncontained fires that had charred over 1 million acres (4,408 square kilometers), according to the National Interagency Fire Center. Felicia Fonseca, Anchorage Daily News, 14 June 2022 This kind of uncontained hypergrowth can have damaging impacts on long-term residents and the city’s economic infrastructure. Jane Thier, Fortune, 10 June 2022 See More Word History
First Known Use
circa 1611, in the meaning defined above