burn off verb 9forms 4 verb9 •To dissipate as the result of heat.The weather by the beach can be considerably cooler—ten degrees or more— and usually starts with fog and haze that burn off by late morning. — 2005 •To expend energy resulting from metabolizing food.It's to encourage boys to burn off excess energy. — 2010 •To use up a resource in a nonproductive manner.We burn off speed. We have come around very fast. Must burn off more speed. — 2019 •To cause to dissipate by applying heat.When he tried to light the cigarette in his mouth, he discovered he was about to burn off the filter and a fair bit of his mouth. — 2013 •To dispose of (unusable explosive natural gas from an oil well) by burning it as it emerges from the well. •to cause to waste energy.Slick use of the resulting turnover ball gave Koroibete the space to burn off Daly, only the third try England have so far conceded in this tournament. — 2019 •To speed past (someone), such as in a race, especially when first starting off.The other competitors were way behind, having been burned off at the starting line. •To fail due to overheating. •To fill (low-value air time) with programming not suitable for its original purpose. formsburned off · burnt off · burning off · burns off