reorg noun 1verb 1forms 3 noun1 •(informal) A reorganization.The Ribbon reorg and new document formats are by far the most important changes in Office 2007. — 2007 verb1 •(informal) To reorganize.Apple loves to reorg. It reorgs divisions, it reorgs buildings, it reorgs executives […] — 1993 formsreorged · reorging · reorgs