rabid

n.

  1. Furious; raging; extremely violent.
  2. Extreme, unreasonable, or fanatical in opinion; excessively zealous; as, a rabid socialist.
  3. Affected with the distemper called rabies; mad; as, a rabid dog or fox.
  4. Of or pertaining to rabies, or hydrophobia; as, rabid virus.