burn off
To get rid of something by burning it, or to use up energy by exercising.
Meanings
To use up calories, energy, or fat through physical exercise.
"She went for a long run to burn off the extra calories from the birthday cake."
To remove vegetation, waste material, or a substance by burning.
"The farmers burned off the dry grass at the end of summer to prepare the fields."
(Of mist, fog, or cloud) to be dispersed by the heat of the sun.
"The morning fog should burn off by about ten o'clock, leaving a clear sunny day."
The 'use up calories/energy' sense is very common in health and fitness contexts. The agricultural sense (burning off stubble or undergrowth) is also well established. The meteorological sense (mist or fog burning off in sunlight) is used in weather forecasting.
Commonly used with
Forms
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