possessive 1 adj. Of possession. 2 It applies to the very dominant person in his emotional relationships with other people. 3 adj. and n. m. Gram It applies to adjectives and pronouns that denote possession, that is, to my, your, your, our, your, your (adjectives); and the míos, tuyosas, suyosas, nuestraas, your, suyosas (pronouns). Append II, possessive.