unburned
adjective
un·burned ˌən-ˈbərnd 
variants or unburnt
ˌən-ˈbərnt
: not burned
unburned wood
a residue of unburned gunpowder
unburnt fuel
Example Sentences
Recent Examples on the Web Around noon, as the sun begins to pierce the clouds, four men from the Nacogdoches Fire Department hack their way toward a smoking log deep inside a section of unburned trees, surrounded by dry pine needles and leaves. 
Henry Gass, The Christian Science Monitor, 31 Aug. 2022 According to Hancock, smoke is particulates of unburned wood, and these particulates are burned off in the secondary combustion process used in smokeless fire pits. Renee Freemon Mulvihill, Better Homes & Gardens, 24 Aug. 2022 About 3% of the area that burned is unknown and 8% remained unburned or burned at very low intensity. Sarah Lapidus, The Arizona Republic, 4 July 2022 The heady aroma of unburned hydrocarbons and charred rubber is in the air. Howard Walker, Robb Report, 22 June 2022 But in treatment completed nine years before the fire, only about 2% went unburned and about 32% suffered low-severity burning. AZCentral.com, 20 June 2022 The energy band is mostly methane from oil and gas operations including (1) unburned venting of gas from oil and gas wells (about 30%), (2) leaks of gas from wellheads, storage tanks, pipelines, and gas-processing plants (about 70%). Ian Palmer, Forbes, 12 Apr. 2022 Two logs, one burned and one unburned, were found inside the Hustisford home. Drew Dawson, Milwaukee Journal Sentinel, 21 May 2022 There’s a lot of vicarious pleasure to be had in this charming book, and none of the drawbacks of a real day at the beach: The characters apply no sunscreen yet go unburned! Meghan Cox Gurdon, WSJ, 27 May 2022 See More
Henry Gass, The Christian Science Monitor, 31 Aug. 2022 According to Hancock, smoke is particulates of unburned wood, and these particulates are burned off in the secondary combustion process used in smokeless fire pits. Renee Freemon Mulvihill, Better Homes & Gardens, 24 Aug. 2022 About 3% of the area that burned is unknown and 8% remained unburned or burned at very low intensity. Sarah Lapidus, The Arizona Republic, 4 July 2022 The heady aroma of unburned hydrocarbons and charred rubber is in the air. Howard Walker, Robb Report, 22 June 2022 But in treatment completed nine years before the fire, only about 2% went unburned and about 32% suffered low-severity burning. AZCentral.com, 20 June 2022 The energy band is mostly methane from oil and gas operations including (1) unburned venting of gas from oil and gas wells (about 30%), (2) leaks of gas from wellheads, storage tanks, pipelines, and gas-processing plants (about 70%). Ian Palmer, Forbes, 12 Apr. 2022 Two logs, one burned and one unburned, were found inside the Hustisford home. Drew Dawson, Milwaukee Journal Sentinel, 21 May 2022 There’s a lot of vicarious pleasure to be had in this charming book, and none of the drawbacks of a real day at the beach: The characters apply no sunscreen yet go unburned! Meghan Cox Gurdon, WSJ, 27 May 2022 See More Word History
First Known Use
13th century, in the meaning defined above