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"; "blazing logs in the fireplace"; "a burning cigarette"; "a flaming crackling fire"; "houses on fire"
If something is afire or is set afire, it is on fire or looks as if it is on fire. = alight. burning = ablaze