I've worked here all of my 'adult life'. [=I've worked here since I became an adult]
People who are close friends as children aren't always friends as 'adults'.
The university offers a popular program of 'adult education'.
(..) No, we will pick up the phone on Christmas. HENRY: Oh, well, I don't... Will we? SARAH: Yeah, you can call us on Christmas. NATE: "Dear Stork Delivery Service, "our adult names are Henry and Sarah. "We are adult parents of an absolutely perfect son named Nate. "He really deserves a baby brother. "As adults, it is our adult belief "that it would be irresponsible if this baby did not have ninja skills. "Sincerely, adult parents Henry and Sarah Gardner comma adults. "Not Nate. (..)2016 Storks