Related Clues:

• Destroy - nullify
• Dissolve - ruin
• Dismantle - destroy
• Formally cancel (an agreement)
• Annul - to a barge (anag)
• Release button, knot etc
• Reverse effect of
• Cancel - ruin
• Revert
• Cancel - destroy
• Release fastening
• Destroy — nullify
• Formally abolish
• Menu option after a mistake
• Edit-menu command