›If you are possessive about something that you own, you do not like lending it to other people or sharing it with other people: He's a bit possessive about his iPod - I wouldn't dareask to borrow it.Having and owning - general wordsC2Someone who is possessive in his or her feelings and behaviour towards or about another personwants to have all of that person's love and attention and will not share it with anyone else: a possessive motherHer boyfriend was getting too possessive so she finished with him.Envy and jealousy