The term 'One on the Run' can be broken down into several crossword solutions, including 'DESERTER' (8 letters), 'PERP' (4 letters), 'JOGGER' (6 letters), 'FLEER' (5 letters), 'FUGITIVE' (8 letters), 'OUTLAW' (6 letters), 'MARATHONER' (10 letters), 'Skier' (5 letters), 'ESCAPEE' (7 letters), and 'Goer' (4 letters), and 'Retreater' (9 letters). A DESERTER is someone who abandons their post or duty, while a PERP is a slang term for a perpetrator of a crime. A JOGGER is someone who runs at a slow to moderate pace, while a FLEER is someone who runs away in fear. A FUGITIVE is someone who is running away from the law, while an OUTLAW is someone who has broken the law. A MARATHONER is someone who runs long distances, while a skier is someone who skis down a mountain. An ESCAPEE is someone who has escaped from captivity, while a goer is someone who goes somewhere. Finally, a retreater is someone who is retreating from a situation. All of these terms can be used to describe someone who is 'on the run'.