prey on one’s mind

prey Noun

— A prey is an animal that is hunted and killed by another for food. The rabbit was eaten by the coyote, so the rabbit is the coyote's prey.

prey Verb

— If you are preying on something, you are acting like a predator.

on Preposition

— positioned at the upper surface of, touching from above The apple is on the table. — at the date of Tim was born on the 4th of July. — along, forwards (continuing an action) drive on, rock on — about, dealing with the subject of I have a book on history. There was a World Summit on the Information Society a few weeks ago. — touching; hanging from I have no money on me at the moment. I would like to eat the fruit on the trees. — because of, due to He was arrested on suspicion of bribery. I contacted Joanne on a hunch that she would know about it. The stock price increased on news of a new product.

on Adjective

— If something is on, it is active, functioning or operating. The television is on. The lights are on, so it is very bright.

mind Noun

— Someone's mind is the part of them that thinks. In my mind I know I must go, but in my heart I want to stay here. We will solve this problem. We have the best minds in the country working on it.

mind Verb

— If you mind some action or thing, you feel negatively about it. "Do you mind if I sit here?" "No, not at all" "It's raining outside. You should take an umbrella" "It's OK, I don't mind the rain" — If you mind someone or something, you look after it. "Could you mind the children while I go to the bathroom?"