B1
to (cause something to) be damaged or destroyed by fire or extreme heat
Dictionary examples:
My brother burned his homework, but the teacher didn't believe his 'dog ate it' excuse. (0.0)
My friend accidentally burned his eyebrows while trying to light a birthday cake. (0.0)
The chef burned the toast so badly, it could be used as charcoal for drawing. (0.0)
She burned his old letters. (14.6)
The factory burned to the ground. (23.7)
I accidentally burned my blouse while ironing it. (54.9)