* Negative connotation:
* The parasitical vine choked the life out of the young tree.
* Some companies use parasitical marketing tactics to exploit consumers.
* The parasitical relationship between the two countries left both impoverished.
* Neutral connotation:
* Some species of insects have a parasitical relationship with their host.
* The study revealed the parasitical nature of the bacteria on the host cell.
* Figurative language:
* The parasitical rumors spread quickly through the office, sucking the joy out of everyone's day.
Remember that "parasitical" often carries a negative connotation, implying something that takes advantage or exploits another for its own benefit. Be mindful of the context when using this word.