burn up

Verb

• burn completely; be consumed or destroyed by fire
  • The hut burned down
    
  • The mountain of paper went up in flames
    

• use up (energy)
  • burn off calories through vigorous exercise
    

• burn brightly
  • Every star seemed to flare with new intensity
    

Related words

• Synonyms: 
  burn down , go up , burn off , burn , flare , flame up , blaze up