Main entry: burn down, burn up, go up
Definition: burn completely; be consumed or destroyed by fire
Usage: The hut burned down; The mountain of paper went up in flames
Main entry: burn, burn off, burn up
Definition: use up (energy)
Usage: burn off calories through vigorous exercise
Main entry: blaze up, burn up, flame up, flare
Definition: burn brightly
Usage: Every star seemed to flare with new intensity