Longman Dictionary of Contemporary English - possessive

~1 adj 1 wanting someone to have feelings of love or friendship only for you  (Men are very protective and sometimes possessive towards their daughters.) 2 unwilling to let other people use something you own + abou  (He's so possessive about his new car.) 3 possessive adjective/pronoun/form used in grammar for words such as `my', `its', `their' etc, which mean belonging to someone or something - possessively adv - possessiveness n ~2 n technical a possessive adj, pronoun, or form of a word