Metastasize

Verb

1. Of a disease (especially cancer) or a tumour: to form a metastasis (“secondary focus away from the primary site”) in (a body organ). To disseminate or spread (something, often an undesirable thing), especially in a destructive manner.
2. Of a disease (especially cancer) or a tumour: to form a metastasis (“secondary focus away from the primary site”) in (a body organ).
3. To disseminate or spread (something, often an undesirable thing), especially in a destructive manner.
4. Of a disease (especially cancer) or a tumour: to spread from a primary site to one or more other sites in the body; to undergo metastasis. Of a thing, often one which is undesirable: to disseminate or spread, especially in a destructive manner.
5. Of a disease (especially cancer) or a tumour: to spread from a primary site to one or more other sites in the body; to undergo metastasis.