1. serving to express or indicate possession (Freq. 1) - possessive pronouns - the genitive endings • Syn: genitive • Pertains to noun: genitive case (for: genitive), possessive case • Topics: grammar 2. desirous of owning (Freq. 1) - small children are so possessive they will not let others play with their toys • Similar to: acquisitive • Derivationally related forms: possessiveness, possess 3. having or showing a desire to control or dominate - a possessive parent • Similar to: dominant • Derivationally related forms: possessiveness, possess