- (pathology) Systemic lupus erythematosus (autoimmune disease)
- (mythology) the state of being a vampire
- practices associated with vampires, in particular blood-drinking and the draining of a victim's life-force.
- (figuratively) extortion
- Treason, delusion, vampirism, scoundrelism, from Dan to Beersheba! — Thomas Carlyle.
state of being a vampire
extortion — see extortion