a person who continues to look young and beautiful, even though they are growing older or behaving in an immoral way He's a real Dorian Gray, apparently untouched by the ageing process. More Like This Expressions from literary sources Alice in Wonderland, Casanova, Cassandra, Don Juan, Dorian Gray, Falstaffian, Frankenstein, Jekyll and Hyde, Lilliputian, Lothario, Orwellian, Pandora’s box, Peter Pan, Pied Piper, Pollyanna, Rip Van Winkle, Ruritanian, Scrooge, Shangri-La, Sherlock, Stepford Wife, Svengali, Tweedledum and Tweedledee, Utopia, Walter MittySee worksheet. From the story by Oscar Wilde, The Picture of Dorian Gray, in which Dorian Gray is a beautiful young man who behaves in an immoral way. He secretly keeps a painting of himself, which gradually changes, making him look older and more evil in it. Dorian himself continues to look young and beautiful.