Possible Clues:

• Mute, say
• Turn one's back on
• Go through Erin without a tension?
• Pass over devastated region
• Give no attention to
• Pass by Milanese chap avoiding sun
• Doesn't want 2, no? But may reign round a round
• Nothing in the reign that you don't want to know about
• 'Disregard, overlook (6)'
• Blank charter on Gibraltar holds up