the quality of being bold and enterprising

Characteristic of mental derangement, Marked by a lack of restraint, especially by extreme excitement, confusion, or agitation, Exhibiting uncharacteristic aggressiveness, especially as a result of rabies, spongiform encephalopathy, or another neurological disease Used of animals, adverb_ Extremely; very, transitive verb_ To make mad or furious; to madden, intransitive verb_ Archaic To be mad; to go mad; to rave See madding, transitive & intransitive verb_ To make or become mad; madden