Adverb
In a possessive manner.
Source: Webster's dictionaryGenerosity is nothing else than a craze to possess. All which I abandon, all which I give, I enjoy in a higher manner through the fact that I give it away. To give is to enjoy possessively the object which one gives. Jean-Paul Sartre
He let his mouth linger on mine, neither possessively nor sweetly... like his mouth just belonged there on mine. And he was right. It did. It always had. Meg Cabot
he was sleeping, one arm flung possessively across his wife Source: Internet