Related Clues:

• Negates, as a marriage
• Cancels
• Declares void
• Invalidates
• Voids
• Makes invalid
• Negates
• Makes void
• Rescinds
• Repeals or rescinds
• Cancels, makes void
• Renders boid
• Cancels, abolishes
• Cancels officially
• How one does right off, by the sound of it