protective adjective definition in Love topic from the Oxford Advanced Learner's Dictionary

protective

 adjective: Love topic
having or showing a wish to protect somebody/something protective (towards somebody/something) She had been fiercely protective towards him as a teenager. protective (of somebody/something) He was extremely protective of his role as advisor. He put a protective arm around her shoulders. Parents can easily become over-protective of their children (= want to protect them too much).