on fire

Adjective

• lighted up by or as by fire or flame
  • forests set ablaze (or afire) by lightning
    
  • even the car's tires were aflame
    
  • a night aflare with fireworks
    
  • candles alight on the tables
    
  • houses on fire
    

Related words

• Synonyms: 
  ablaze(p) , afire(p) , aflame(p) , aflare(p) , alight(p) , on fire(p)