Learn the meaning of possessive as an adjective, noun, and grammar term. Find out how to use possessive to show ownership, jealousy, or grammatical case. Possessives in English play a vital role in expressing ownership or close relationships between nouns, answering the question of “who or what something belongs to.” Whether through possessive pronouns, possessive adjectives, or specific noun forms, these structures help make sentences clear and precise. This guide breaks down the various ways possession is indicated in English—from standalone possessive pronouns like “mine” to the nuanced use of apostrophes with singular and plural ... What is the definition of a possessive pronoun? The Macmillan Dictionary defines possessive pronouns as “a pronoun such as ‘mine’, ‘theirs’ or ‘yours’ that shows who something relates to or belongs to. Learn the meaning and usage of possessive in grammar, psychology, and ownership. Find synonyms, antonyms, translations, and related words for possessive .