Related Clues:

• Unravel or ruin
• Unfasten or annul
• Cancel or render void
• Annul or revoke
• Open the knot
• Loosen or reverse
• Ruin or loosen
• Cancel and render void
• Open, a knot say
• Cancel or reverse an action
• Untie or ruin
• Ruin or loose
• Cancel or repeal, say a law
• Ruin or loosen ties
• Cancel, abolish