Definition of "burn up"

(intransitive) To catch fire and burn until destroyed.  examples

(transitive) To destroy by burning.  examples

(transitive) To anger; to annoy.  examples

(intransitive) To feel overly hot or inflamed.

1. (intransitive, specifically) To experience a high fever.  examples

(dated) To ride a motorcycle or other vehicle at high speed.  examples

(dated) A high-speed ride in or on a motorcycle or other vehicle.  examples