Etymology: Middle English birnen, from Old English byrnan, v.i., bærnan, v.t.; akin to Old High German brinnan to burn
Date: before 12th century
intransitive verb1 a: to consume fuel and give off heat, light, and gases <a small fire burns on the hearth>b: to undergo combustion; also: to undergo nuclear fission or nuclear fusion c: to contain a fire <a little stove burning in the corner>d: to give off light :shine, glow<a light burning in the window> 2 a: to be hot <the burning sand>b: to produce or undergo discomfort or pain <ears burning from the cold>c: to become emotionally excited or agitated: as (1): to yearn ardently <burning to tell the story>(2): to be or become very angry or disgusted <the remark made him burn> 3 a: to undergo alteration or destruction by the action of fire or heat <the house burned down><the potatoes burned to a crisp>b: to die in the electric chair 4: to force or make a way by or as if by burning <her words burned into his heart> 5: to suffer sunburn <she burns easily>transitive verb1 a: to cause to undergo combustion; especially: to destroy by fire <burned the trash>b: to use as fuel <this furnace burns gas>c: to use up :consume<burn calories> 2 a: to transform by exposure to heat or fire <burn clay to bricks>b: to produce by burning <burned a hole in his sleeve>c: to record digital data or music on (an optical disk) using a laser <burn a CD>; also: to record (data or music) in this way <burn songs onto a disk> 3 a: to injure or damage by or as if by exposure to fire, heat, or radiation :scorch<burned his hand>b: to execute by burning <burned heretics at the stake>; also:electrocute 4 a:irritate, annoy —often used with up<really burns me up>b: to subject to misfortune, mistreatment, or deception —often used in passive <has been burned in love>c: to beat or score on <burned the defense with a touchdown pass>
— burn·able\ˈbər-nə-bəl\adjective
— burn one's bridges also burn one's boats: to cut off all means of retreat
— burn one's ears: to rebuke strongly
— burn the candle at both ends: to use one's resources or energies to excess
— burn the midnight oil: to work or study far into the night