0 in a way that involves sexual activity between people who are closely related and not legally allowed to marry:
It was claimed that he was incestuously attracted to his sister.
The population of the village is almost incestuously interrelated.
The problem is that manufacturers are all incestuously linked these days.
Members of both parties incestuously engaged in doling out political favours to their campaign contributors.
I mistakenly thought my great-grandfather had incestuously married his cousin.
He jokes with his sister one moment, then squeezes her incestuously the next.
She was a journalist with incestuously tight ties to the administration.
