I. pos ‧ ses ‧ sive 1 /pəˈzesɪv/ BrE AmE adjective
1 . wanting someone to have feelings of love or friendship for you and no one else
possessive of/about
She was terribly possessive of our eldest son.
2 . unwilling to let other people use something you own
possessive of/about
He’s so possessive about his new car.
3 . technical used in grammar to show that something belongs to someone or something
possessive pronoun/form/case etc
the possessive pronouns ‘ours’ and ‘mine’
—possessively adverb
—possessiveness noun [uncountable]
II. possessive 2 BrE AmE noun [countable]
technical an adjective, ↑ pronoun , or form of a word that shows that something belongs to someone or something