Divorcing

To legally dissolve a marriage between two people.

"A ship captain can marry couples, but cannot divorce them."

To end one's own marriage to (a person) in this way.

"Lucy divorced Steve when she discovered that he had been unfaithful."

To obtain a legal divorce.

"Edna and Simon divorced last year; he got the house, and she retained the business."

To separate something that was connected.

"The radical group voted to divorce itself from the main faction and start an independent movement."