[transitive] to bring, give, put or send something back to somebody/something return somebody/something to somebody/something We had to return the hairdryer to the store because it was faulty. I must return some books to the library. The court ordered him to return the children to their mother. Completed questionnaires should be returned to this address. return something Don't forget to return my pen! return somebody/something + adj. I returned the letter unopened.