Possible Clues:

• Disparage
• Wrongly agreed to be disparaging
• Agreed to (anag) — detract from
• Take away agreed-to changes
• Reduce something bloody, having got back in time
• This might detract from the ruddy turn around the entrance
• Insult makes Greek character blush, being upset
• Disparage foreign character, attacked by bull and tossed up
• Allow a rule to be broken