parasitical

He was one of those rare eastern potentates who wasn't hampered by parasitical relatives.

These parasitical worms are about an inch and a half long and taper to a point at each end.

He discovered parasitical mites all over them on the outside, and the flesh contained many worms.

The solid balls of these cannon formed pyramids, and parasitical vegetation had crept in between these iron spheres.

All the parasitical crustaceans are placed in this first category.