Related Clues:

• Nullify or disprove
• Unravel or ruin
• Cross out or annul
• Unfasten or annul
• Cancel or render void
• Cross out or abolish
• Open the knot
• Loosen or reverse
• Annul, cross out
• Ruin or loosen
• Annul, revoke
• Cancel and render void
• Open, a knot say
• Cancel or reverse an action
• Nullify, disprove