also ~al
1.
Parasitic diseases are caused by parasites.
Will global warming mean the spread of tropical ~ diseases?
ADJ: usu ADJ n
2.
Parasitic animals and plants live on or inside larger animals or plants and get their food from them.
...tiny ~ insects.
ADJ: usu ADJ n
3.
If you describe a person or organization as ~, you mean that they get money or other things from people without doing anything in return.
ADJ disapproval