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