Definitions
1.adjectiveOf or pertaining to ownership or possession.
2.adjective(grammar) Indicating ownership, possession, origin, etc.
3.adjectiveUnwilling to yield possession of."He is very possessive of his car."
4.adjective(usually not comparable) Able but not certain to happen; neither inevitable nor impossible."It's not just possible, it's probable."
5.adjectiveCapable of being done or achieved; feasible."It's possible for anyone to learn to pay the bagpipes."
6.adjectiveBeing considered, e.g. for a position."Jones and Smith are both possible for the opening in sales."
7.adjectiveApparently valid, likely, plausible.