From Longman Dictionary of Contemporary Englishbe on the movebe on the movea) TRAVELto be travelling from one place to another The rebel army is on the move. b) BUSY/HAVE A LOT TO DOto be busy and active Roy is constantly on the move. c) CHANGE FROM ONE THING TO ANOTHERto be changing and developing a lot, especially in a way that improves things Museums are on the move, adding exhibits that entertain and educate. → move
Examples from the Corpus
be on the move• Abbot lives in Manhattan, but he's usually on the move.• The guerrillas stay on the move to avoid capture.• In a mountain valley where arctic blasts have encased the grass in sheets of ice, wild bison are on the move.• Coal was on the move when Leith was first recognised as a port back in the days of Robert the Bruce.• Once again, Bibby could be on the move in March.• The economy is finally on the move.• He was always on the move, never staying in one town more than a few days.• Those kids are always on the move.• The chasers join in the hunt once the monkeys are on the move.• Even pronouns are on the move.• Thousands of refugees are on the move, fleeing heavy shelling in their home towns.• The whole population of the town seemed to be on the move.• That Chip and his joie de vivre are on the move.• But can they help to illuminate the question of what is on the move? 