- a relation between organisms in which one lives as a parasite on another.
- a parasitic mode of life or existence.
- a diseased condition due to parasites.
- (in some totalitarian countries)
- unemployment or refusal to work.
- employment in work considered nonessential by the state.
- the relationship between a parasite and its host
- the state of being infested with parasites
- the state of being a parasite
