possessively

/pəˈzɛsɪvli/
adverb
  1. In a way that shows a desire to keep or control someone or something, often excessively.
    • He held her hand possessively, not letting her move away.
    • The child clutched the toy possessively, refusing to share it with his sister.
    • She spoke possessively about her favorite spot in the park, as if it belonged only to her.
Antonyms