–adjective
1. jealously opposed to the personal independence of, or to any influence other than one's own upon, a child, spouse, etc.
2. desirous of possessing, esp. excessively so: Young children are so possessive they will not allow others to play with their toys; a possessive lover.
3. of or pertaining to possession or ownership.

Example: `Yours', `mine', `his', `hers', `theirs' are possessive pronouns; `your', `my', `his', `their' are possessive adjectives.